- convert atoms to UTF8 because 99% of the time, that is what they are used for
- add support for static atoms, where the strings are declared in a large const array and not copied into the heap
r=dbaron, sr=darin
this is an experimental landing - if there are performance issues, I will back it out.
git-svn-id: svn://10.0.0.236/trunk@139909 18797224-902f-48f8-a5cc-f745e15eee43
