Revert key file for Travis

Fix Javadoc warning for org.web3j.protocol.core.Batcher (hyperledger-…

…web3j#1323)

> Task :core:javadoc
/Users/kkn/src/github.com/web3j/web3j/core/src/main/java/org/web3j/protocol/core/Batcher.java:18: warning: no @return
    BatchRequest newBatch();
                 ^
1 warning

BUILD SUCCESSFUL in 5s

depend on current web3j-uni version (hyperledger-web3j#1311)

Bump next snapshot version

Add additional admin rpc calls (hyperledger-web3j#1255)

* add admin rpcs, add consensus to adminnodeinfo, add enode to adminpeers, update tests

* add datadir admin rpc, fix adminnodeinfo consensus

* spotlessapply fixes

Update Gradle plugins and bump snapshot version

Bump version

Merge pull request hyperledger-web3j#1231 from blockchaintp/numeric-c…

…hanges

Numeric changes

Merge pull request hyperledger-web3j#1231 from blockchaintp/numeric-c…

…hanges

Numeric changes

bug/version-bump (hyperledger-web3j#1223)