Add CodeCacheFlushing
Add CodeCacheFlushing

During compilation the JVM code cache gets full. (Makes compilation slower but will still work). Add CodeCacheFlushing and increase CodeCacheSize to avoid this problem.

CodeCache: size=131072Kb used=123244Kb max_used=123302Kb free=7827Kb
 bounds [0x00007f8b3f592000, 0x00007f8b47592000, 0x00007f8b47592000]
 total_blobs=31894 nmethods=31337 adapters=456
 compilation: disabled (not enough contiguous free space left)
OpenJDK 64-Bit Server VM warning: CodeCache is full. Compiler has been disabled.
OpenJDK 64-Bit Server VM warning: Try increasing the code cache size using -XX:ReservedCodeCacheSize=
OpenOlitor/openolitor-server