updates
Setting video quality is optional
Set x264 encoding options
Get audio encoder, bitrate; set integer values
Pull audio encoder from database
Set audio bitrate from preferences
Remove handbrake success check
Check realpath of device against symlink
Work with the real device name; add device_is_hardware boolean
Use device_is_hardware where possible
Cleanup
Clean up very confusing code; If device is an ISO, and the target filename doesn't exist, rename it from the current directory to the new file naming scheme.