First cut at debian packaging.
Break setup.py to placate Debian packaging

Debian packages do not always install their egg-info, which breaks install_requires.
Fix package contents.
Add some more dependencies.
Setup thumbor as upstart-run daemon.
Generate a random secret key.
Restore umask in postinst

Otherwise compiled py files would end up unreadable for normal users.
Generate the modified setup.py
[REST Upload Module] : REST Upload API (#121) :
   - Rename image.py to imaging.py
   - Create ImagesHandler to upload new image with content in body or via multipart/form-data (POST)
   - Create ImageHandler to retrieve, modify and delete existing image (GET, PUT, DELETE)
   - Modify imaging.py to check if the 32 first characters is an image existing in storage
Merge pull request #132 from nhuray/feature/rest-upload

[REST Upload Module] : REST Upload API (#121) :
Adds python-magic dependency.
Removes deprecated import.
travis failing with permission denied error.
still failing with permission denied.
installing opencv from ubuntu packages on travis build.
fixes UnicodeEncodeError.
removes commented out code.
Merge pull request #133 from gcirne/fix-pull-132

Fixes broken build caused by pull request #132.
Release 3.6.7
Fix syntax error in setup.py