* patterns/texheaders: Added pattern for Arma 3 texHeaders.bin
* magic/arma3: Added texHeaders.bin magic
* patterns/texheaders: Added test file
* patterns/paa: Small improvements
Added extra data description, and better indication of internally compressed data mipmap data.
* patterns/a3: Moved Arma 3 patterns into common folder
* patterns/a3: Added pattern for MLOD P3D
* patterns/a3: Added pattern for RAP
* magic/arma3: Added P3D and RAP to magic file
* patterns/a3: Added test files for P3D and RAP
* patterns/a3: Small correction to type names in TexHeaders format
* patterns/rtm: Added pattern for Arma 3 plain RTM
* magic/arma3: Added plain RTM to magic file
* patterns/rtm: Added test file
* patterns/rtm: Changed function parameters to refs
* patterns/rtm: Replaced RTM test file
* patterns/rtm: Added extra description to RTM pattern
* pattern/bmtr: Added BMTR pattern, magic and test file
* patterns/paa: Added pattern for Arma 3 PAA
* patterns/paa: Small correction
* magic/arma3: Added magic file for Arma 3 formats
Only the PAA format for now