add edison & spyder/umts_spyder

Support for Motorola Atrix 2 MB865 (edison)
Support for Motorola Droid RAZR CDMA/XT912 (spyder)
Support for Motorola Droid RAZR GSM/XT910 (umts_spyder)
Merge pull request #95 from alteredlikeness/jb43-legacy-alt

add Motorola Atrix 2 & Motorola Droid RAZR GSM/CDMA