Correct git directory config
Fixed a hadoop-built index path bug in load-index.
Set maxClientCnxns=30 in resources/zookeeper.properties to help unit test.
Support negative UIDs in ShardingStrategy.
Make text column in sensei schema support default config values
Make store property configurable in schema for meta-data column
correct tableElem.getAttribute usage
Merge remote-tracking branch 'upstream/master'

Conflicts:
	sensei-core/src/main/java/com/senseidb/conf/SenseiSchema.java