Status bar: More clock styles, (1/2):

Include:

- Show/hide clock (& date)
- Show/hide date
- Clock (& date) color
- Show custom date left to the clock:

Custom date:
  - Size option, (small or big)
  - Style, (normal, lowercase or uppercase)
  - Format

Change-Id: I5fb0be09a8c6a46f33a04b046751f4e936fde756