bz19966: remove google from the search engines.

google search now just returns youtube videos, so we don't need both entries.
bz19507 comment #5: convert filenames to unicode in device db upgrade
bz19964: add amara.org to the default site list
bz19967: show audio filter on the all feeds tab
bz19968: fix filter logic for watched folders
Bumping binary kit version
Changing app.config for the 6.0-rc0 build