ant build was changed to exclude Java7 dependent files only if java version is less than 7.
freeze during creation class on first access was fixed and tested
deregisterClass method was added
fix typo in 2q test
removing class from local cache if class was removed from db was added
Merge remote-tracking branch 'nuvolabase/master'
Merge branch 'freeze-bug'
remove java7 related method from WAL
Merge pull request #1453 from logart/master

- JDK 1.7 API dependency removed
- Added conditional java 1.7 improvement into ant build
- Deadlock during autocreation classes during getClass() in object db