Update requirement.txt

Commenting out Pillow-PIL and distribute because they both consistently
cause errors while installing the application.

Not removing these lines completely because I am not 100% sure that no
system requires these libraries.
Merge pull request #85 from jfposton/master

Update requirement.txt

Commenting out Pillow-PIL and distribute because they both consistently
cause errors while installing the application.

Not removing these lines completely because I am not 100% sure that no
system requires these libraries.