update plugin references to engine references on the rails3 branch.
update plugin references to engine references on the rails3 branch.

Retimont/refinerycms,Eric-Guo/refinerycms,stefanspicer/refinerycms,Eric-Guo/refinerycms,SmartMedia/refinerycms-with-custom-icons,refinery/refinerycms,aguzubiaga/refinerycms,stakes/refinerycms,mkaplan9/refinerycms,anitagraham/refinerycms,hoopla-software/refinerycms,johanb/refinerycms,chrise86/refinerycms,donabrams/refinerycms,gwagener/refinerycms,KingLemuel/refinerycms,anitagraham/refinerycms,Retimont/refinerycms,refinery/refinerycms,mlinfoot/refinerycms,bryanmtl/g-refinerycms,simi/refinerycms,louim/refinerycms,johanb/refinerycms,chrise86/refinerycms,mkaplan9/refinerycms,mabras/refinerycms,KingLemuel/refinerycms,kelkoo-services/refinerycms,bricesanchez/refinerycms,simi/refinerycms,LytayTOUCH/refinerycms,Eric-Guo/refinerycms,mojarra/myrefinerycms,mkaplan9/refinerycms,kappiah/refinerycms,mabras/refinerycms,stakes/refinerycms,mlinfoot/refinerycms,aguzubiaga/refinerycms,kappiah/refinerycms,trevornez/refinerycms,refinery/refinerycms,simi/refinerycms,johanb/refinerycms,LytayTOUCH/refinerycms,aguzubiaga/refinerycms,koa/refinerycms,sideci-sample/sideci-sample-refinerycms,hoopla-software/refinerycms,simi/refinerycms,gwagener/refinerycms,trevornez/refinerycms,stefanspicer/refinerycms,kappiah/refinerycms,SmartMedia/refinerycms-with-custom-icons,louim/refinerycms,trevornez/refinerycms,mojarra/myrefinerycms,KingLemuel/refinerycms,mabras/refinerycms,anitagraham/refinerycms,pcantrell/refinerycms,pcantrell/refinerycms,stefanspicer/refinerycms,koa/refinerycms,chrise86/refinerycms,kelkoo-services/refinerycms,mobilityhouse/refinerycms,LytayTOUCH/refinerycms,mlinfoot/refinerycms,bricesanchez/refinerycms,mobilityhouse/refinerycms,sideci-sample/sideci-sample-refinerycms,gwagener/refinerycms,Retimont/refinerycms,hoopla-software/refinerycms,bryanmtl/g-refinerycms,donabrams/refinerycms