ISPN-3220 Include a maven-settings.xml Maven configuration file and a build.[sh|bat] script to get people started with building
ISPN-3262 Add base test for clustered cache stores and impl for LevelDB
ISPN-3262 Check cache status before loading keys in LevelDBCacheStore

Conflicts:
	cachestore/leveldb/src/main/java/org/infinispan/loaders/leveldb/LevelDBCacheStore.java