Merge pull request #1 from rstuart85/master

Add support for Travis CI.
Merge pull request #2 from rstuart85/master

Adding requirements.txt for Travis CI.
Merge pull request #3 from rstuart85/master

Custom install commands for apsw/sqlite for Travis CI.
Merge pull request #4 from rstuart85/master

Specifically get sqlite 3.8.5 to match apsw.
Merge pull request #5 from rstuart85/master

We don't need to test the apsw install!
Merge pull request #6 from rstuart85/master

We need to CD back up after building apsw.
Merge pull request #7 from rstuart85/master

We need to download the NLTK data too for Travis CI!
Add Travis CI badge.