Add .gitattributes file.

To deal with line endings. A project should not rely on
global settings.

https://help.github.com/articles/dealing-with-line-endings

Signed-off-by: Saurabh Kumar <thes.kumar@gmail.com>
Merge pull request #51 from theskumar/gitattributes

Add .gitattributes file.
Update CONTRIBUTORS.txt
Merge pull request #52 from ashwoods/master

making project folder a valid python package
Update CONTRIBUTORS.txt
bumping django version to 1.6.1 in requirements