[FEATURE][PART2] #109 Create new preference page "Personalization"

Just a code refactor and externalization of strings.

Change-Id: I0c6fc33f5066089c97e8d2feff85e413f1d02410
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1284
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>
Tested-by: Jenkins CI