Add SQlite dataproviders: SQliteDataTableProvider - Allows any query to be run and returns the resulting rows as arrays of arrays, SQliteDataDictProvider - Allows any query to be run and returns the resulting rows as arrays of dicts
Add dataproviders to the SQlite dataype
Merged in jjohnson/galaxy-central-7 (pull request #609)

Add dataproviders for SQlite datatype