using volum keys for up and down

[Google Code Exporter]

using volume keys for up and down arrow keys is very very useful for browsing 
in the internet and for presentation.

Original issue reported on code.google.com by PrinceofKaraj on 15 Jul 2011 at 4:29

[Google Code Exporter]

check issue no 118 and 119 those two patches 1 for server and 1 for client 
enables this exact feature.

Original comment by [e-mail] on 30 May 2013 at 6:18