modifications to accept lowercase key property
updating the IndexTest with lowercase options
Changes for issue-440
for issue 440 - reverting to old code as the fix is done in PropertyName
Alter table with immutability test.
Adding alter table with immutability test
Changes for ISSUE: 440
Fixes for Issue:440
Keeping a single index pool per RS

Pools are cached by name in the RSCPHost#sharedData and accessed
in a thread-safe way through the ThreadPoolManager. We ensure uniquness
across servers by tagging on the RS name to the pool name. Its a little
ugly, but makes life easier with testing.
Merge pull request #462 from jyates/single-instance-pools-per-server

Keeping a single index pool per RS
Merge pull request #443 from mravi/master

Changes for https://github.com/forcedotcom/phoenix/issues/440
Fix for NPE in IndexMaintainer: support non null columns of type TIME,DATE,TIMESTAMP, and BINARY for indexed columns
Merge branch 'master' of github.com:forcedotcom/phoenix