Default to 'Ambiance' under Unity if no theme detected


git-svn-id: http://cantata.googlecode.com/svn/trunk@4860 b1e49159-3266-923f-9c3e-04f16369770a
runProc -> readDconfSetting


git-svn-id: http://cantata.googlecode.com/svn/trunk@4861 b1e49159-3266-923f-9c3e-04f16369770a
Default to ubuntu-mono-dark icons under Unity, if icon theme not detected


git-svn-id: http://cantata.googlecode.com/svn/trunk@4862 b1e49159-3266-923f-9c3e-04f16369770a
Comment out unused functions/parameters...
BUG: 487


git-svn-id: http://cantata.googlecode.com/svn/trunk@4863 b1e49159-3266-923f-9c3e-04f16369770a