Fix XML API tag info (fix #281)
Added "real"-hover buttons for the sidebar..

..you do not have to click precisely on the text. The buttons now have a 100% width so you can better navigate.
Add Sort Tracks by Artist, Album, Song on playlists (fix #279)
Fix Browse page TextBox footer
Add CONTRIBUTING.md file
Add DAAP protocol support (fix #272)
DAAP session become optional
Fix byte range request response

Example range request: "Range: bytes=2582528-"
would return response: "Content-Range: bytes 2582528-0/2583490"
as $end stayed 0.
Fix DAAP streaming rang and code type (now working with Winamp DAAP plugin)
Fix user online/offline indication in Reborn theme (fix #298)
Restore legacy xml api tags node
Fix codestyle
Concat folder.jpg with DIRECTORY_SEPARATOR define
UPnP browse support
Fix UPnP browse (beautiful url setting required)
List-site navigation style update

Hey, that sites + textfiled isnt so beautiful I thought, so I've done something better(?) Ithink.

How do you like this
1. = original

I prefer the last one^^
If we agree with one of them, I'll send a pull request
And one question.. How should I name the classes for this buttons? I really have no idea.. at the moment its "navmenu-button"

![menu navbutton](https://cloud.githubusercontent.com/assets/6222200/3444954/d1f3e270-0132-11e4-89e0-88512dd6c2e7.png)
updated to last example & fixed code formatting..

so that Scrutinizer doesn't cry tears any more^^
forgot the css changes -.- but here are they
Add beautiful url support on album arts (to fix UPnP album arts)
Final Style update + some simple fixes

Also Ger translation updated, due to latest changes.