Improved Compiler error messages, fixed null pointer error, added
support for re-using global symbol names.
Moved CustomGraphicsTool to WeaveUI project and added default script.
Cleaned up CustomGlyphPlotter and default script.
MethodChainProxy speed improvements.
Added GraphicsBuffer destination() function.
Added weaveTraceImpl.as.
Added sample configurations.

Change-Id: I1887b4373915a4251eb0d33dfdc51a085db36b11