Added test case and fix #205. Closes #205
Added test case and fix #205. Closes #205
Fixed null value issue in query answering
Added test case for #213. Made Cassandra key iteration configuration adjust to the Partitioner
Added in-transaction index for newly added vertex properties. Fixes #215
Module reordering
Fixes #225
Merge branch 'titan03' of github.com:thinkaurelius/titan into titan03