- Add translator's comments.
- Capitalize Dialog titles.
- Replace Qt Designer's generated rich text (hardcoded font)
  by simple HTML.
- Remove exclamation marks (do not shout at users).

Change-Id: I01623a336dfd7bdf24f7d5c0d3a2ed48454d8205
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>