User list checkboxes

Added custom checkboxes to user list.

SDUX-5
User list checkboxes

Fixed minor issues with checkboxes.

SDUX-5
Users list delete

Modified server.js for delete functions.
Implemented single and multiple user delete feature.

SDUX-5
Server alternative

Core, list, read and delete functions completed.

SDUX-42
Server alternative

Completed server service.

SDUX-42
Server alternative

Added _http method.

SDUX-42
Server alternative

Modified user plugin to use new server service.
Disabled cache in server service.

SDUX-42
Server alternative

Modified authService to use sever service.

SDUX-42
Server alternative

Fixed minor problems in users list.
Fixed pagination problems.
Fixed state service.

SDUX-42
Server alternative

Fixed instant search.

SDUX-42
Server alternative

Fixed instant search.
Fixed multiple actions buttons container.
Fixed pagination.
Added debounce to pagination input.

SDUX-42
Merge remote-tracking branch 'ozan/server-alternative'

Conflicts:
	app/scripts/superdesk/auth/authService.js
	app/scripts/superdesk/server.js