Cleanup up dead code and database tables from task scheduler

Turns out there was a lot of code and various database tables that had
no functionality at all
Merge pull request #59 from jamiesnape/CleanupScheduler

Cleanup up dead code and database tables from task scheduler
Add an API method for searching by item and folder name
Merge pull request #61 from jamiesnape/APIItemFolderName

Add an API method for searching by item and folder name
Add API method to search for item by name and folder id

Also return folder id with the item
Merge pull request #62 from jamiesnape/SearchItemFolderId

Add API method to search for item by name and folder id