card emulation patch port to JB

Change-Id: Ide266116f28ae84c16effaf37f6d573b01534e17
fixed inconsistant define values with android_nfc.h

Change-Id: I65e10f9381f7789e0866a2c2a2e7287f741266e0
Correct executable bit for source files

Many media files and source code files were marked as executable in Git.
Remove those.

Also a shell script and python script were not marked as executable.

Change-Id: I7539bd6ca479609a71f93ddd6fe5056ec1b196cc
Signed-off-by: Chirayu Desai <cdesai@cyanogenmod.org>