Don't load locale for defauly (en-US)

It's already in the base Globalize
Merge pull request #292 from gannetson/yankee-doodle

Don't load locale for defauly (en-US)
Add English copy to fund app.
Merge pull request #293 from benkonrath/en-fund-copy

Add English copy to fund app.
Bug fix for CustomVoucherRequest admin.
Update translations.
More updated copy.
Update translations.
Use ascii apostrophe in Project model.
Update to django_polymorphic 0.4.2.
Remove unused DocDataWebMenu model.

Having it as an empty model didn't work with Django Polymorphic.

BB-191 #resolve
Voucher landing page styled
WIP: Voucher Landing Page
Merge pull request #296 from prashantpalikhe/voucher

Voucher landing page styled
Merge pull request #294 from benkonrath/payment-fix

Payment fix
Generic lightbox action
Update translations.
Merge pull request #295 from gannetson/lightbox

Lightbox
Remove ember-bootstrap.js reference in base.html.

The file wasn't actually included so it was causing problems with
django_compressor on testing and staging.
Merge pull request #300 from benkonrath/bug-fix-for-broken-ember-bootstrap

Remove ember-bootstrap.js reference in base.html.