`projects` factory models fixed.
small adjustments to project templates and correction of wrong css classes

Conflicts:
	bluebottle/common/static/css/screen.css
	bluebottle/projects/templates/projects/project.hbs
Fixed `ManageProjectSerializer`.
Fixed `homepage` app to work with the new `projects` generic approach.
`projects` views fixed to use the settings-defined model
`projects` permissions fixed to use the new generic model.
`projects` models reviewed.
Unit tests fixed.
Merge pull request #121 from jose-lpa/integration

Several fixes to make use of the new generic `Project` model all around.
Add gmap for projects - wip
Merge pull request #123 from gannetson/integration

Add gmap for projects - wip
Merge branch 'integration' of https://github.com/onepercentclub/bluebottle into integration
Minor migrations adjustments
`projects` permissions finally fixed.
Merge branch 'integration' into projects-generic
Roughly fixed `wallposts` app to match the generic `projects` model.
added the infobox js file and a scss file for the maps component. Some restyling of projects
Merge pull request #122 from onepercentclub/bb-fix-migrations

Minor migrations adjustments
Merge pull request #124 from jose-lpa/integration

`projects` app latest fixes
Merge pull request #125 from netogallo/integration

Allows null numeric_code for countries