changed memory capacity to -1 instead of 0 as per change in memoryboundlruhashmap
change in combinerDefinitionBuilder to set default memory limit to -1 rather than 0 in accordance with change in memoryboundlruhashmap
Merge pull request #30 from sjundt/master

Change memory limits to -1 rather than 0 in accordance with change in MemoryBoundLruHashMap