Upgrade Django to 1.6.8
Merge pull request #342 from magopian/upgrade-django-1.6.8

Upgrade Django to 1.6.8
Improving the add-ons generator to deal with apps (bug 1080145)
Merge pull request #323 from davidbgk/1080145-continue-landfill-rebase

Improving the add-ons generator to deal with apps (bug 1080145)
Commit from Mozilla Verbatim by user a.polivanchuk@outlook.com.: 926 of 2994 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user a.polivanchuk@outlook.com.: 962 of 2994 strings translated (0 fuzzy).