talk: When no voice file is loaded don't even attempt to load the clip, it's hopeless.

Change-Id: I420155d7f01ca0ea301c0678ac7245d251d365b0
Manual: add images for the ipod 6G, made by me.

Change-Id: Ia95d241b41cbdacfe334de1538c3bd5fc45dfc42
Reviewed-on: http://gerrit.rockbox.org/730
Reviewed-by: Szymon Dziok <b0hoon@o2.pl>
Use new ipod6g player image for ipod6g.

Change-Id: Ia010373529df3f9bed3f40f5372d8bc1fd9769fb
Correct the number of codepages on charcell.

63cfbe0 fixed the number of codepages for bitmap targets. The same issue is
present on charcell, so update the number for that as well, fixing UTF-8
missing in the list.

Change-Id: Ib5d3494ed3d80e839ae3f59ec0a4277e5aa9d6fd