v2.2.0: ENS-Support

ENS-Support

more changes:

• ENS-Support ( explicitly with in3_ens or indirectly in the comandline-tool)

  > in3 call -to cryptokitties.eth "pregnantKitties():uint" 
  1221

• add Autocompletion for zsh

  curl https://raw.githubusercontent.com/slockit/in3-c/develop/scripts/_in3.sh > /usr/local/share/zsh/site-functions/_in3.sh
  

• add NodeList-inspection in the comandline

  in3 in3_weights

• better error-reporting during configuring the client
• allow manual preselected data- and signers in the request ( data_nodes and signers in the in3-object of the rpc-request )
• added cache for already signed hashes ( we don't ask for signatures for a blockhash we have already verified before)
• optimize nodelist-updates (get updates and proof from claiming node)
• optimize signer-seclection node picking method
• added static code analyser (cppcheck) to CI
• optimized response-time based reputation
• fixed filter eth_getFilterChanges correcting the fromBlock
• fixed memory-leak with binary transport
• fix Loader-Issues with Android-ARM-build