Django-email-foundation

------------------
* The context file has been replaced by a python file, instead a json. It will allows more complex attributes.

------------------
* Bug fixed on create_basic_structure command.

------------------
* The context file moved inside the data source folder. It is no longer necessary to define in the project settings.

------------------
* Improved get_relative_from_manage_path method and tests added.
* gulpfile.js tasks improved adding sass and other missing.
* Install requires method performance improved.
* New DEF_STATIC_TARGET_PATH setting added.

------------------
* Fixed some path issues
* Improved gulpfile.js file, adding more log outputs and debug.
* Documentation improved

------------------
* First version