Fixed Back to Projects button on Task page
Finished implementing meekro into TaskIO, simplified task count methods, removed related unneeded (and broken) SQL
Replaced Task stored procedures with inline meekro SQL statements (untested)
Replaced simple Role stored procedures (but left more complex) with meekro functions, added basic meekro delete command to Connection
Same as previous commit, but for Genre rather than Role. Also added method to retrieve all genres.
Replaced Authorization stored procedures with meekro functions
Implemented setting for "home group" (scan group running the software),
implemented meekro into ScanGroupIO,
implemented check for home group before executing delete group commands
Updated meekrodb from 2.2 to 2.3