Bump version
Initial work on HHVM support
Make error messages consistent
More work on HHVM support
Use HPHP_VERSION constant to determine whether we are running on HHVM
Bump copyright year
Display correct runtime version when HHVM is used
Bump version
Merge branch '1.3'
Merge branch '1.3'
Fix dependency
Merge branch '1.3'
Leftover
Merge branch '1.3'
Merge branch '1.3'
Merge branch '1.3'
Merge branch '1.3'
Merge branch '1.3'
Merge branch '1.3'
Merge branch '1.3'