Upgrade to Jersey 2.12
Upgrade to Jetty 9.2.2.v20140723
Upgrade to Jackson 2.4.2
Remove NEWS.md file
Add Airbase 26 changes info
[maven-release-plugin] prepare release 26
[maven-release-plugin] prepare for next development iteration
Prepare release notes for version 27
Set minimum Maven version to 3.2.3
Exclude .sql files from license checker