Moved south migration folders to south_migration folder per
recommendation by south:
http://south.readthedocs.org/en/latest/releasenotes/1.0.html#library-migration-path

Fixes django 1.7 tests.
Settings doc update and ignore test images.  Django and python version
bumps.
looks like travis doesn't have python 3.4.2 yet...
pep8 fixes
print fix.
Fix pep8 to not look at south_migrations.
Merge pull request #497 from troygrosfield/master

Get tests successfully running for python 3.4 and django 1.7