(gitignore) Do not track .DS_Store files
(C) Fix orcc profiling
Merge branch 'master' of ssh://github.com/orcc/orcc
(C) New pretty print script for orcc profiling
(orcc-lib) COPY_8_8 functions replaced by MEMCPY + Index calculation modified in fillBorder functions
Merge branch 'master' of https://github.com/orcc/orcc
(orcc-lib) Clean sse.h
(orcc-lib) Clean openhevc.h
Merge branch 'master' of https://github.com/orcc/orcc
(frontend) Truly delete IR file when CAL is deleted or saved with errors
(SSE orcc lib) use previous version of openhevc angular SSE
(orcc with SSE) remove default definition of __SSE4_1__
(frontend) Refactoring: StatementCall#parameters -> arguments
(TypeValidator) Remove useless argument when using Xtext error()
(refactoring) PrintlnTransformer uses correctly net.sf.orcc.util.Void
(validation) Binary operations with lists produce errors
(frontend) Don't use TypeUtil.isConvertibleTo(null, <something>)
(frontend) StmtTransformer doesn't return anything
(frontend) Refactoring: node(.*) -> block$1
Merge branch 'frontend_updates'

These commits perform some refactoring and fix minor issues.
It will be useful for the next changes in the frontend