diff --git a/package-lock.json b/package-lock.json
index c0a2d97..62e977c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1830,7 +1830,7 @@
     },
     "chalk": {
       "version": "1.1.3",
-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "requires": {
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@@ -2052,7 +2052,7 @@
       "dependencies": {
         "color": {
           "version": "0.11.4",
-          "resolved": "http://registry.npmjs.org/color/-/color-0.11.4.tgz",
+          "resolved": "https://registry.npmjs.org/color/-/color-0.11.4.tgz",
           "integrity": "sha1-bXtcdPtl6EHNSHkq0e1eB7kE12Q=",
           "requires": {
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@@ -2085,7 +2085,7 @@
     },
     "commander": {
       "version": "2.15.1",
-      "resolved": "http://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
       "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag=="
     },
     "commondir": {
@@ -3727,7 +3727,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -4092,7 +4093,8 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
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           "version": "2.1.2",
@@ -4140,6 +4142,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -4178,11 +4181,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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@@ -4643,7 +4648,7 @@
         },
         "readable-stream": {
           "version": "1.0.34",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
           "requires": {
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@@ -7429,7 +7434,7 @@
       "dependencies": {
         "async": {
           "version": "1.5.2",
-          "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
           "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
         }
       }
@@ -9024,7 +9029,7 @@
     },
     "readable-stream": {
       "version": "2.3.6",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "requires": {
         "core-util-is": "~1.0.0",
@@ -10289,7 +10294,7 @@
         },
         "uuid": {
           "version": "2.0.3",
-          "resolved": "http://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
           "integrity": "sha1-Z+LoY3lyFVMN/zGOW/nc6/1Hsho="
         }
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@@ -10584,7 +10589,7 @@
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     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "requires": {
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@@ -12054,7 +12059,7 @@
           "dependencies": {
             "yargs": {
               "version": "3.10.0",
-              "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+              "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
               "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
               "requires": {
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@@ -12257,7 +12262,7 @@
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         "os-locale": {
           "version": "1.4.0",
-          "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
           "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
           "requires": {
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@@ -12321,7 +12326,7 @@
         },
         "yargs": {
           "version": "6.6.0",
-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
           "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
           "requires": {
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@@ -12341,7 +12346,7 @@
         },
         "yargs-parser": {
           "version": "4.2.1",
-          "resolved": "http://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
           "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
           "requires": {
             "camelcase": "^3.0.0"
@@ -12372,7 +12377,7 @@
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         "jsonfile": {
           "version": "2.4.0",
-          "resolved": "http://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
           "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
           "requires": {
             "graceful-fs": "^4.1.6"
@@ -12399,9 +12404,9 @@
       }
     },
     "websocket-extensions": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz",
-      "integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg=="
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.4.tgz",
+      "integrity": "sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg=="
     },
     "whatwg-encoding": {
       "version": "1.0.5",