Bug 948022 - update homepage and base.py to use l10n tags for promos
Merge pull request #1506 from pascalchevrel/Bug-948022_template_changes_to_use_l10n_tags

Bug 948022 - update homepage and base.py to use l10n tags for promos
Fix bug 944269 - improve Arabic and Farsi text rendering

* Normal letter-spacing for locales with jointed text
* Add Droid Arabic Naskh webfont
* Expand font stack for Arabic, Farsi, and Chinese texts