first stab at page revision screenshots
set rbenv gemset to "landable"
Merge remote-tracking branch 'origin/master' into feature/screenshots
account for the template_revisions table
Landable::ScreenshotService and friends
add #7 to changelog [ci skip]
remove screenshots from template revisions

only makes sense to take these for pages, not templates
stick with Net::HTTP for requesting screenshots
get screenshots after the transaction is committed, and ensure that it actually get saved properly
add test_after_commit to enable testing post-commit hooks

what with the transactional tests all up in here
update those specs. also, s/generate/capture/, to match the publicist internal api
sex up that preview message
retries for page revision screenshots
more flexible config around public/api host/namespace/uri
remember when we were sexing up preview mode back in 949655? time to get tested.
better tests around screenshots
Merge remote-tracking branch 'origin/master' into feature/screenshots

Conflicts:
	CHANGELOG.md
	Gemfile
	db/test/landable.page_revisions.sql
	spec/dummy/db/structure.sql
Merge pull request #7 from enova/feature/screenshots

Screenshots by revision