[#566] Fix ProjectAdmin.add_view() to match 1.5

ProjectAdmin.add_view() is overridden to add functionality to the admin
form. For this reason it's necessary to check that the "original" code
matches the version of django we're running on. This is now fixed for
Django 1.5.
[#566] Cleanup of rsr/admin.py

Remove unused imports and old commented out code.
[#565] Moved manage.py one level up and updated scripts
[#565] Updated stand-alone scripts
Merge pull request #567 from akvo/feature/du565_folder_structure

[#565] Moved manage.py one level up and updated scripts
[#564] Project list and project page cut 0
[#564] Added static in app directory
[#564] Changed image path
[#564] Added use of static assets to sites
[#564] Added static url to widgets
[#564] Removed /static from production, fixed 404 page.
Merge pull request #569 from akvo/feature/du_564_assets

Feature/du 564 assets
[#570] Replace django.views.generic.simple.direct_to_template()

direct_to_template() is being deprecated in Django 1.5 and the
recommended replacement is django.views.generic.TemplateView().
[#570] Remove verify_exists attribute from models.URLField

The varify_exists attribute for models.URLField is being deprecated.
We can get away with just removing our references to it since it is set
to False in all instances in the code.
[#570] Change call signature of dehydrate() in child classes of ApiField

Add the for_list param to ConditionalFullToOneField.dehydrate() and
ConditionalFullToManyField.dehydrate()
[#570] Upgrade most libraries in requirements/2_rsr.txt

As part of our work on upgrading to Django 1.7 we should use the most
modern version of our library dependencies possible. This commit
upgrades most of the deps in 2_rsr.txt.
Merge pull request #571 from akvo/feature/du570_upgrade_python_libs

[#570] upgrade python libs
[#572] Replaced django.contrib.markup with django_markup
[#572] Re-added 'load url from future'
[#570] Update django-counter requirement

django-counter needed patching to be compatible with Django 1.5+.
This fix refers to the patched version in the pip requirements.