Revert "Implements and refactors clipboard feature for markdown."

This reverts commit 2273234653924b731f9ef01432e392481ee1d4e2.

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Conflicts:
	app/views/projects/issues/_form.html.haml
	app/views/projects/merge_requests/_form.html.haml
	app/views/projects/merge_requests/_new_submit.html.haml
	app/views/projects/milestones/_form.html.haml
	app/views/projects/notes/_form.html.haml
	app/views/projects/wikis/_form.html.haml
Restyle admin/user page

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'revert-img-paste' into 'master'

Revert img paste

Fixes #1307
Improve admin/user form

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Replace files icons with fontawesome

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Change page-title font/color

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Improve admin/projects page

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'ui-improvements' into 'master'

Ui improvements