Adding 1st database integration tests

- Adding integration database configuration
- Testing BotGroupService
Adding test exclude rule for AbstractDataTester
Dropping unique id column from join table

It's a compound key, doesn't need an id
Adding missing license header to new test classes
Adding all bots to unselected option in Groups page

- Added findAll() to bots
- Added allBots to groups page
- Added description to groups
Merge pull request #44 from johnburbridge/groups-page

Adding data integration tests