Fix build after nifty-client changes
Update jetty and servlet-api versions used for http tests
Update airlift and jmxutils versions
Resolve conflicts with commons-logging and jcl-over-slf4j classes
Update dependency versions for release
Merge commit '231fedb71b5e66043a6918f6f4381130daaecb7f'
Bump version to 0.14.0-SNAPSHOT
Update to nifty/swift 0.14.0-SNAPSHOT dependencies