Merge pull request #58 from f3r3nc/master

.gitignore:

Minor cleanup, reorganise

Reconfigure SiteConfigFactory to use JPG - removes pillow's libjpeg-dev dependency

Move db sync into tox.ini

update postgres user

Move postgres commands from travis to tox

Run CI tests on postgres

Pass environment variable to tox

Remove surrounding quote marks from environment variable assignment

Specify environment for Tox

Attempt to debug Tox environment issue

Add missing comma

Refactor requirements to exclude testing from production

Update settings and requirements to use Python Anywhere