Bump to Scala 2.10.0-RC5.
Bump to Scala 2.10.0-RC5.

Using RC3 builds of Scalate and Json4s.  Fix once published.

Alefas/Scalatra,Alefas/Scalatra,0xfaded/scalatra,offner/scalatra,Alefas/Scalatra,dozed/scalatra,dozed/scalatra,lightvector/scalatra,seratch/scalatra,lzpfmh/scalatra,lightvector/scalatra,lzpfmh/scalatra,dozed/scalatra,lloydmeta/scalatra,seratch/scalatra,offner/scalatra,lzpfmh/scalatra,offner/scalatra,0xfaded/scalatra,lightvector/scalatra,seratch/scalatra,lloydmeta/scalatra