[fix bug 1073255] broken link on https://developer.mozilla.org/en-US/learn/css
Merge pull request #2779 from ckprice/bug-1073255-broken-link-css3-screencast

[fix bug 1073255] broken link on /learn/css
fix bug 1074201 - refactor test base classes and introduce some more

- this also fixes various issues with tests that improve speed and performance
- includes plenty of stylistic changes like PEP8 updates
bug 957802 - Readme: Use SVG badges.

Those badges look better on 2x (and more) displays. They're also a smaller download.
Merge pull request #2784 from jezdez/bug1074201

fix bug 1074201 - refactor test base classes and introduce some more
Merge pull request #2783 from espadrine/patch-1

Readme: Use SVG badges.
fix bug 1054461 - make sure the "account connected" message only shows up if the account connection process is initiated on the edit profile page.
bug 1054461 - Fix notification message layout
Merge pull request #2787 from darkwing/bug1054461

Bug1054461