Fixed print statements for Python 3
Moved tests inside modest_image source
Fixed imports
Fixes for Matplotlib 1.5.x
Include __future__ division import
Added .travis.yml
Whitespace
Added changelog
Fix rms calculation
Merge pull request #3 from astrofrog/mpl-1.5.x-fixes

Fixes for Matplotlib 1.5.x and Python 3, added .travis.yml