Fixup of Icon handling in Blueman

* Adding additional status icons for all resolutions
* Changing Icon path to use a more icon themes friendly /usr/share/icons/hicolor dir
to store all icons instead of pkgdatadir specific icon folder
* Reverted icon names back to blueman-foo.png to resolve file name conflicts with gnome-bluetooth
Merge branch 'icons' of git://github.com/Teknocrat/blueman into Teknocrat-icons
Merge branch 'Teknocrat-icons'