First major revision using TortoiseGit!

Changes include:

- All references to "Kegerface" project changed to "Raspberry Pints"!
- Replaced date/time stamp in header with new project logo.
- Adjusted padding all-around.
- Adjusted color/opacity of Tap # circles to match row highlights.
- Renamed SQL DB to 'raspberrypints'.
- Modified the following SQL db fields:
--- bitterness (removed)
--- calories (removed)
--- poured (removed)
--- remaining (removed)
--- gravity (renamed to 'og')
--- fg (added)
--- kegstart (added)
--- kegremain (added)
--- id (moved to 1st field as primary key)
- Updated index.php to reflect renamed SQL db fields.
- Updated index.php so the following now auto calculate:
--- Bitterness (IBU/GU)
--- Alcohol content (OG/FG*131)
--- Calories (two complex formulas!)
--- Poured ('kegstart' - 'kegremain')
- Added back 10 entries to 'beers' table for length testing.
- Removed superfluous vertical padding on body rows.
- Updated keg level calculations to prepare for flow meter integ.
- Removed vestigial code from ABV infographic calculation routine.
- Reduced widths of most columns (name column autofills width)
- Miscellaneous other fixes.