Fixes issue with file view rows not clickable on project main view

Fixed an issue where it would only load the first 25 commit data on project main view.

Stopped the file view sending 1 too many requests.

Fixes #3916

See merge request !2933

Users don't get instructions to push to other users empty projects

Fixes #12518

![Screen_Shot_2016-02-22_at_17.38.18](/uploads/42a3c32af1326f15a7b40fd7153a89fb/Screen_Shot_2016-02-22_at_17.38.18.png)

See merge request !2923

Issues can be dragged & dropped into empty milestone lists

This is also possible with MRs. Also fixed an issue where MRs weren't sortable

Fixes #13668

![milestone](/uploads/aada0f48ce8b1407cce920eef3f4d5f3/milestone.gif)

See merge request !2935

Fixed mis-aligned buttons on dashboard/issues

Before:

![](/uploads/35e413f2a5273bcdb1cc9ab20fa8d923/Screen_Shot_2016-02-22_at_10.15.39_PM.png)

After:

![Screen_Shot_2016-02-23_at_08.45.12](/uploads/4fbba0650ea6005b1cd600b5038f91d1/Screen_Shot_2016-02-23_at_08.45.12.png)


See https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/2921#note_3868715

See merge request !2932

Fixes dropdown appearance and makes it look accordingly to current design

Fixes #11874

See merge request !2920

This is also possible with MRs. Also fixed an issue where MRs weren't sortable

Fixes #13668

Fixed an issue where it would only load the first 25 commit data on project main view
Stopped the file view sending 1 too many requests

Fixes #3916