C++ and build.xml changes to comply with gcc 4.8 fussiness & related cleanup
Finish cleanup after gcc 4.8 compatibility change
Fix for Ubuntu 14.04 build.
Merge remote-tracking branch 'origin/gcc-4.8-compatible'

Conflicts:
	src/ee/common/NValue.hpp
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-451-inexists-merge
Big merge recent master into IN/EXISTS and resolve the conflicts
Fix the license