Whitelist origins depending on domain/debug setting (bug 1075515)

Also, add loop dev URL on dev or if debug is True.
Merge pull request #2614 from diox/iframe-perms-refactor

Whitelist origins depending on domain/debug setting (bug 1075515)
Commit from Mozilla Verbatim by user sara.todaro@mozillaitalia.org.: 1984 of 1984 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user sara.todaro@mozillaitalia.org.: 1984 of 1984 strings translated (0 fuzzy).
Merge branch 'master' of ssh://github.com/mozilla/zamboni
Commit from Mozilla Verbatim by user sara.todaro@mozillaitalia.org.: 1984 of 1984 strings translated (0 fuzzy).
Also check price with premium_type (bug 1005904)
Fixed error around no old_index in reindexing
Create index/mapping even if no data
Remove unused paginator class (bug 1066692)
Commit from Mozilla Verbatim by user unghost@mozilla-russia.org.: 1393 of 1984 strings translated (237 fuzzy).
fix fireplace