Merge pull request #49 from ProfessorKaos64/beta

Merge beta to master for 0.8.0 release
Update changelog.md
correcting startup xml with RCB
correcting PPSSPP (PSP) exit function
correcting qjoypad esc for PS3/blu
adding opengl fitler/filter to gba/gbc
adding opengl fitler/filter to tb16/snes
Update changelog.md
changed defautl GBA scraper to giantbom.com
Update README.md
Update README.md
Update README.md
Added Genesis back to RCB, uninstall fixes
Merge remote-tracking branch 'origin'

Merge from online changes
Added Genesis back to RCB, uninstall fixes
added .sms file format to config.xml for RCB
PSP, PPSSPP control mapping fixes
PSP, PPSSPP control mapping fixes
upgrading PSP emulator stage 1
upgrading PSP emulator stage 2