minor optiql bug fixes
cuda temporary memory alignment
Add some GPU codegen tests
remove cudaInit.so
Add some GPU tests
Make runtime header path to be absolute path
Remove redundant notify/await with update/awaitupdate
Use SMP runtime when no op is generated for accelerator targets
refactor and cleanup GPU DeliteOPs
Update to SBT 0.12.0
Merge branch 'wip-merge' into wip-develop

Conflicts:
	dsls/optiml/tests/ppl/tests/delite/DeliteOpSuite.scala
	dsls/optiql/src/ppl/dsl/optiql/ops/QueryableOps.scala
	project/build.properties