Partly add arm asm code to encoder.
Remove .DS_Store file.
Add intra predictor arm asm code.
Add arm asm code for processing.
Use a macro for conditionally logging based on ENABLE_TRACE_MT

This avoids having an extra ifdef around every single WelsLog
call.
arm asm code refine.
Remove trailing space
remove CS and RS syntaxs for issue 373
remove unused function
Merge pull request #429 from mstorsjo/simplify-ifdef-with-macro

Use a macro for conditionally logging based on ENABLE_TRACE_MT
Merge pull request #432 from zhilwang/arm-asm

Arm asm
Merge pull request #431 from huili2/large_to_small_sps_bug

Large to small sps bug for issue #373
Merge remote-tracking branch 'upstream/master' into travis.osx