Prevent some memory pooling discovered via eclipse MAT applied to sqlcoverage and junit OOMs
Merge branch 'master' into java_mem_tuning
Limit catalog buffer pooling
Tweak comment.
Remove obsoleted m_serializedCatalog member
Merge branch 'master' into java_mem_tweaked

Conflicts:
	src/frontend/org/voltdb/planner/PlanSelector.java
Merge pull request #1362 from VoltDB/java_mem_tweaked

Reduce lifetime of large catalog string allocations.