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
Clean up various config files
Order modules by full name on the admin page
Do not mark a module as incompatible if there are no database-specific files
Modules
MidasLoader
Module
install module