Merge branch 'gdevelop' into gfeature-llvm

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/feature-llvm@1181 c0027639-9190-0b57-01eb-f09a03790dae
Merge branch 'gdevelop' into gfeature-llvm

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/feature-llvm@1183 c0027639-9190-0b57-01eb-f09a03790dae
ModelData cleanup and dead code elimination
ModelData cleanup and dead code elimination

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/develop@1184 c0027639-9190-0b57-01eb-f09a03790dae