Includes removing redundant content that will be provided by CDT:
- .mvn/extensions.xml
- .gitignore
- CONTRIBUTING
- LICENSE
- NOTICE
- root pom.xmls
Note: if you get to this commit when searching history or
doing git blame, try adding --follow to force the history
back before this move.
Change-Id: I42bdbb2cf8e7f07d6608c32eaabf2b54151a1fb1
