Templates now support multiple subtypes

git-svn-id: https://angelscript.svn.sourceforge.net/svnroot/angelscript/trunk@1560 404ce1b2-830e-0410-a2e2-b09542c77caf
Add-ons now use asAtomicInc/Dec to provide thread safe reference counting

git-svn-id: https://angelscript.svn.sourceforge.net/svnroot/angelscript/trunk@1561 404ce1b2-830e-0410-a2e2-b09542c77caf
The compiler wasn't considering the correct namespace when parsing methods of classes and interfaces within namespaces

git-svn-id: https://angelscript.svn.sourceforge.net/svnroot/angelscript/trunk@1562 404ce1b2-830e-0410-a2e2-b09542c77caf