Merge tag '0.7.1' into develop

Added language option
testing pillow instead of pil, and tiff lzw
testing pillow instead of pil, and tiff lzw
Merge branch 'develop' of github.com:virantha/pypdfocr into develop
Switching away from os.system in _gs
Switching away from os.system in _gs
Made windows gs lookup smarter
Added version to pillow
Now just inserts text into the original pdf images
Ready for 0.7.2
Updated exe and spec for reportlab 3
Merge branch 'release/0.7.2'