Nicer back/forward icons.

git-svn-id: svn://svn.code.sf.net/p/subsonic/code@4029 104adb81-38d2-4886-885e-82898e39ce25
Nicer up/down icons


git-svn-id: svn://svn.code.sf.net/p/subsonic/code@4030 104adb81-38d2-4886-885e-82898e39ce25
Nicer remove icon.

git-svn-id: svn://svn.code.sf.net/p/subsonic/code@4031 104adb81-38d2-4886-885e-82898e39ce25
Nicer layout in playQueue.jsp

git-svn-id: svn://svn.code.sf.net/p/subsonic/code@4032 104adb81-38d2-4886-885e-82898e39ce25