only intialize SUPPORTED_FRAMEWORKS if isn't defined to prevent 'already initialized constant' warning
only intialize SUPPORTED_FRAMEWORKS if isn't defined to prevent 'already initialized constant' warning

jarmo/spork,paypronl/spork,Eric-Guo/spork,selenetelenav/spork,selenetelenav/spork,Eric-Guo/spork,jarmo/spork,chrismdp/spork,sporkrb/spork,paypronl/spork,sporkrb/spork