fix DM_NEW_FOR_GETCLASS performance bug

gebruik static class member ipv getClass methode
fix SE_TRANSIENT_FIELD_NOT_RESTORED
opvangen van  null pointer dereference
update jdk 8 profiel voor surefire
null pointer dereference fix
betere concurrency door volatile caches
Merge pull request #125 from MinELenI/coverity-scan-fixes

Coverity scan fixes