commit sample ii cube
query test point to sql/query01.sql for ii
inverted index support sharding
an example endpoint
rename package "coprocessor" to "observer"
add a tree node proto example
limit digits on generated fact table
II create htable job, one region per one shard
fixed len metrics done
Merge branch 'inverted-index' of https://github.com/KylinOLAP/Kylin into inverted-index

Conflicts:
	cube/src/main/java/com/kylinolap/cube/invertedindex/IIKeyValueCodec.java
	cube/src/main/java/com/kylinolap/cube/invertedindex/TableRecordInfo.java
Merge branch 'master' into inverted-index
fixed len metrics done (for invertedindex)
ii endpoint ready to test
ignore II hbase test case
exclude servlet api in pom
clean non-used import warning
minor
format change
Merge branch 'origin/inverted-index'
fix test case