[fix bug 896064] Only show month and year when hovering over a user's contribution time.
[fix bug 896006] Display error messages for date_mozillian field.
[fix bug 894908] Get rid of the space before the comma when there are multiple groups.
Merge pull request #562 from glogiotatidis/896064

[fix bug 896064] Only show month and year when hovering over a user's co...
Merge pull request #564 from glogiotatidis/mozilla/master

[fix bug 894908] Get rid of the space before the comma when there are multiple groups.
Merge pull request #563 from glogiotatidis/896006

[fix bug 896006] Display error messages for date_mozillian field.
Remove 'accounts' placeholder markup code.
Merge pull request #566 from glogiotatidis/remove-accounts

Remove 'accounts' placeholder markup code.
[fix bug 895356] Add labels to services / privacy dropdowns.
Merge pull request #567 from glogiotatidis/895356

[fix bug 895356] Add labels to services / privacy dropdowns.