Fixes #5834

Remove border from conversation stream

Bump markdown-it

Contacts page: remove broken title from 'Start a conversation' button

Replace default.html with a regular view

So we can correctly reference the images

Generate error pages on assets:precompile

Fix layout regression: missing header on search page

This allows us to reuse any CSS we have, unify
their look and unify their look with the regular
page design.

This works by instantiating ActionView and rendering
templates in a rake task.

Inspired by the errgent gem.

Add 'no contacts in this aspect yet' message

Fix frontend regressions

Fix for 5745 - conversation pagination design is broken

center pagination

Fix pagination css

Symbols for previous and next

	modified:   app/assets/stylesheets/conversations.scss
	modified:   app/views/conversations/index.haml

Add responsive pagination

Fix broken pagination

	modified:   app/assets/stylesheets/conversations.scss
	modified:   app/views/conversations/index.haml

Fix broken pagination for mobile

Mobile pagination

Unify desktop and mobile background

change background color

Remove footer from stream and profile pages

Update markdown-it

Replace Make Something text by the diaspora ball logo on registration page

Add ball.svg to /graphics

database_rewinder seems to cause deadlocks in postgres and other
subtle bugs for us.

Update gems