Removes ability to set control scheme (#72)
Adds custom consoles (#70)
Removes Mac-specific values in consoles.txt
Adds user defined emulators. Fixes #71
Expands ~ in emulator locations
Added GNU/Linux example in emulators.txt and commented out Windows example.
Merge pull request #81 from marcusmoller/master

Added GNU/Linux example in emulators.txt and commented out Windows example