add: queryset offset field
add: migration, field test and offset rule
Merge pull request #294 from opps/feature-queryset

Queryset offset field
Multi file upload without the need of an album id.
Fix boxes migration
Channel pagination cascade can be set by:
querystring ?paginate_by=x
channel record paginate_by field
OPPS_channel_PAGINATE_BY on settings
OPPS_PAGINATE_BY general settings
Remove coveralls badge and django 1.7 tests for now
PEP8
Remove django 1.7 from travis file
Add core actions file
Archive and Image can be set by an archive_url
crop_example fixed
Image object now has image_url method to return the proper url with or
without THUMBOR_ENABLED - should be used in templates:
instead of: {%image_url object.main_image.archive.url %} just use
{{ object.main_image.iamge_url }}
deleted unused duplicated feed views
feed enclosure returns main_image url
expect 2 blank lines
Fix Value Error The 'archive' attribute has no file associated with it
Merge branch 'master' into box_threading

Conflicts:
	opps/boxes/models.py