Formatting, updating to new specializer phase semantics.
Updating warp img for new ctree phase logic.
Migrating to specilaizer's with finalize format
Support fusing with a return statement.
Bugfixes in specializer definition logic and output generation.
Merge branch 'master' of github.com:ucb-sejits/hindemith into leonard/dev
Removing tmp process args
Removing unusued function, adding nocoverage statements on pure python stuff
Adding stencil fusion test.
Update fusion logic to no longer need scope passed.
t pMerge branch 'leonard/dev'