Fixes #100 Project website url and repo url now clickable

on the project detail page.
django-datamaps implementation has been completed.

Droped Country models from projects application and all
of its references.
Maps now render within a scope for a more closeup view.
datamaps.js was updated to the newest version and the
code was changed to make it functional.
Maps are fully functional in fron page and project detail page.
Datamaps removed support for listening to onclick events. refs #97

I have left a question on their repo about this.
Merge remote-tracking branch 'origin/master' into datamaps

Conflicts:
	website/views.py
Added my username and private key to devs.sls
Merge branch 'feature/#100-project-repo-link-clickable' into datamaps3
Fixes #92: django-datamaps was added to our list of

requirements, and it scontains both a Country and Scope
models.
Fixes a problem with database migration. Changed app ordering.

Added datamaps to the begining of the list as other apps depend on it.
Model projects.Country was removed and replaced with datamaps.Country

This broke some of the older migrations and travis tests failed.
Database had to be removed and user migrations reinitialize.
Fixes #97 Map's bubbles are now clickable!

Implemented a custom listener on the svg object
to listen for a click event. When clicked user
is redirected to project's detail page.
Implemented Caleb's code revision suggestions.
Changed doc string for get_random_sample method.
Implemented colin's code review suggestions and other fixes

- Wrote testcase for the Homepage view when there are no project in
the database.
- Changed bubbles for country highlight
- Changed map popup template
- Added short description property to the Project model

Also, fixed a 500 error that occured when there was need to rebuild
index while at it. I made some improvements to the current search
results listings. I reduced the number of queries from many to two.
Deleted some templates that are not longer needed.
Merge pull request #127 from rapidsms/fixes/#92-maps-rendered-within-scope

Fixes/#92 maps rendered within scope