Creating a math library.

This is a place for all math functions within the demo project.
Creating unit test.
Creating a unit test for demo.utils.subtract.
Setting up travis-ci.
Adding multiply util.
Renaming travis config.
Adding travis status image to README
Update README.md
Update README.md
Removing nose for unittest.
Removing support for python 2.6
Merge pull request #1 from kaezarrex/remove-nose

Remove nose :pig2:
Add a Bitdeli badge to README
Merge pull request #2 from bitdeli-chef/master

Add a Bitdeli Badge to README
Creating a file to test the Asana integration.

For task #7170431464667