v0.2.2

Install: unzip Cheevos-0.2.2.zip, then copy its Cheevos folder into App on the SD card, so that App/Cheevos/launch.sh exists.

Changes

• Core: identify ROMs for Spruce's game menu in a Cheevos helper
• Bump version to 0.2.2

Full changelog: v0.2.1...v0.2.2