[#473] Included Galleria theme in the head
[#473] Nothing changed..
[#473] Merge branch 'develop' into feature/473_gallery_error
[#629] Changed validation for project partners
[#147] Updated cancel button donation step 2
[#147] Updated cancel button donation step 3
[#147] Update location of PayPal image
[#473] Again, Merge branch 'develop' into feature/473_gallery_error
[#473] Updated location of CSS and JS files
Merge pull request #560 from akvo/feature/473_gallery_error

[#473] Included Galleria theme in the head
[#198] Added allowed widget templates list
[#198] Raise 404 when widget not found
[#654] Merge branch 'release/candidate' into develop
Merge pull request #669 from akvo/feature/198_nonwidget_forbidden

[#198] Added allowed widget templates list
Merge pull request #657 from akvo/feature/629_partner_validation

[#629] Changed validation for project partners
[#147] Removed comment and used reverse()
[#678] Added IATI folder and updated references
[#678] New codelist generator and generated codelist versions
[#678] IATI fields added to models
[#678] Rename date_request_posted and date_complete