Added a warning for users who are integrating Refinery into an existing app that has an Authlogic-created users table.
Added a warning for users who are integrating Refinery into an existing
app that has an Authlogic-created users table.

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