- asbuild now uses the ConfigEngineFromStream helper function
- code clean-up

git-svn-id: http://svn.code.sf.net/p/angelscript/code/trunk/sdk@1940 404ce1b2-830e-0410-a2e2-b09542c77caf
Improved runtime performance by avoiding increasing/decreasing refcount of script object in class methods

git-svn-id: http://svn.code.sf.net/p/angelscript/code/trunk/sdk@1941 404ce1b2-830e-0410-a2e2-b09542c77caf