fix cache not preserving timezone information
add test for timezone
fix expected object type
compare result timestamp based on millis + utcoffset
proper groupby tests
match query interval to granularity for this test
timezone support in groupby query
1) Adjust the Timeseries caching fixes to still store the long, but do the timezone adjustment on the way out.
2) Store a reference to the granularity object instead of getting it every time
QueryServlet: Add "host" (remote address) to alerts
1) Make tests pass
Merge pull request #66 from metamx/queryservlet-alert-remote-addr

QueryServlet: Add "host" (remote address) to alerts
Merge pull request #61 from metamx/fix-cache-timezone

Cache did not preserve timezone information
proper groupby tests
1) Make tests pass
Merge branch 'groupby-tests' of github.com:metamx/druid into groupby-tests

Conflicts:
	common/src/main/java/com/metamx/druid/input/MapBasedRow.java
Merge pull request #62 from metamx/groupby-tests

Actual groupby tests (tests fail because of group by bug)
1) Make SegmentMetadataQuery work
Merge branch 'master' of github.com:metamx/druid
1) Fix bug with loading old indexes that might have mixed case column names
1) Add caching for SegmentMetadataQuery