[rename] XWMM to WIMM part 2

* Takes care of browser tab names now show WiMM
* Change copyright headers to conform

According to trademark cannot use XBMC Web Media Manager or Kodi Web
Media Manager.

http://kodi.wiki/view/Official:Trademark_Policy_index
more specifically
http://kodi.wiki/view/Official:Trademark_Policy#Related_Software

In any case the project is now renamed.
[logo/artwork] New project logo, fanart,favicon

These are the courtesy of Mike Kalashnikov aka samfisher they are done
especially for WIMM.
Copyright (C) 2014 "Mike Kalashnikov" aka "samfisher"

Published under gplv2 as part of WIMM.

Thank you Mike your handwork is appreciated and enjoyed.