Fix positioning issues with browse files button

Issue is that in Firefox clipboard is blocking the browse files
from moving all the way to the right.
Move clipboard up 1px into -1px to unblock "browse files"

SS from firefox:

![Screen_Shot_2016-01-18_at_4.01.58_PM](/uploads/312a5f1e55ca707081f718e2413416fb/Screen_Shot_2016-01-18_at_4.01.58_PM.png)

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/10849


See merge request !2489

Search title gets clipped vertically.

Fixed by adding height to search title css.

**Before:**
![Screen_Shot_2016-01-16_at_10.12.14_AM](/uploads/2651de6ae38251e1f20acade0c69a629/Screen_Shot_2016-01-16_at_10.12.14_AM.png)

**After:**
![Screen_Shot_2016-01-16_at_10.12.05_AM](/uploads/6852e9a653bde1975d7fdfa4dbc302d8/Screen_Shot_2016-01-16_at_10.12.05_AM.png)

See merge request !2460

Fixes #10747

Issue is that in Firefox clipboard is blocking the browse files
from moving all the way to the right.
Move clipboard up 1px into -1px to unblock browse files

Remove leading comma when user is the only one to award that emoji

Fixes #9073

See merge request !2450

See merge request !2481

When using IssuableFinder with a Group we can greatly reduce the amount
of projects operated on (due to not including all public/internal
projects) by simply passing it down to the ProjectsFinder class.

This reduces the timings of the involved queries from roughly 300
ms to roughly 20 ms.

Fixes gitlab-org/gitlab-ce#4071, gitlab-org/gitlab-ce#3707

update

old
![Screenshot_2016-01-14_22.46.52](/uploads/d165897a6118c4b276e6b53982077cb5/Screenshot_2016-01-14_22.46.52.png)

new
![Screenshot_2016-01-14_22.46.21](/uploads/6b34cd8b1a2799506676103fcbc80450/Screenshot_2016-01-14_22.46.21.png)


See merge request !2441