unitsapi 6.x-1.0-beta1

- Added integration with Units of Measurement module.
- Added translation file.

Currently supported units:

• Length
  • millimeter
  • centimeter
  • decimeter
  • meter
  • kilometer
  • foot
  • inch
  • mile
  • yard
• Volume
  • cubic foot
  • cubic inch
  • cubic mile
  • cubic yard
  • cup
  • imperial gallon
  • us gallon
  • liter
  • imperial fluid ounce
  • us fluid ounce
  • imperial pint
  • us liquid pint
  • us dry pint
  • imperial quart
  • us liquid quart
  • us dry quart
  • tablespoon
  • teaspoon
• Weight
  • milligram
  • gram
  • kilogram
  • carat
  • grain
  • ounce
  • pennyweight
  • pound
  • stone
  • slug
  • metric ton
  • long ton
  • short ton
• Area
  • acre
  • are
  • hectare
  • square foot
  • square meter
  • square kilometer
  • square inch
  • square yard
  • square mile
• Pressure
  • pascal
  • torr
  • bar
  • psi
• Time
  • day
  • hour
  • minute
  • year
• Temperature
  • celsius
  • fahrenheit
  • kelvin