Fixing /mobile/ to redirect to /firefox/partners
Merge pull request #269 from retornam/redirectsfxx

Fixing /mobile/ to redirect to /firefox/partners
Xfail test_that_all_links_are_valid with  Bug 973622 - [stage] Press Center link from About section returns 404 error
Merge pull request #271 from viorelaioia/issue_270

Xfail test_that_all_links_are_valid with  Bug 973622 - [stage] Press Cen...
Fix partners images
Four were removed from /firefox/partners/
Merge pull request #272 from bobsilverberg/images

Fix partners images
Bug 977355 - broken link to superheroes wanted on mozilla.org/contribute

Update a Thunderbird KB link along with
https://github.com/mozilla/bedrock/pull/1738.
Merge pull request #273 from kyoshino/bug-977355-tb-support-links

Bug 977355 - broken link to superheroes wanted on mozilla.org/contribute
Updating donate button links
Merge pull request #274 from retornam/fixdonate

Updating donate button links
Moved paragraph on installing Python libraries

So that Ubuntu/Debian users know what they should do first upfront.
Merge pull request #276 from pablofiu/patch-1

Moved paragraph on installing Python libraries
updating contribute tests
Merge pull request #278 from retornam/contribs

updating contribute tests
fixing notes header locator
Merge pull request #279 from retornam/notesfix

fixing notes header locator
Bug 993485 - remove webfwd link from tabzilla
Merge pull request #280 from retornam/remove-webfwd

Bug 993485 - remove webfwd link from tabzilla
Changed tabzilla links and photo links
Merge pull request #281 from AndreiH/new_link_changes

Changed tabzilla links and photo links