refine top bar
home link in css
location marker
main.tpl: fix indentation
main.tpl: remove useless closing div and fix indent a bit
Merge branch 'master' into ui-refine

Conflicts:
	apps/route/User.php
	apps/template/main.tpl
notification: fix error from last merge
initial impelementation of tabs
ajax for new tab
get rid of old tab entirely
adjust position of ajax loading indicator
fix main layout
dnd upload picture
fix top bar scrolling
fix new post form style
all required javascript load in page load
hide tab panel if there is no item
load tab js once
do initialize component when changing tab
ajax for home and discover tab