Unit API

Topics
	Unit Containers
	Defines a series of classes which contain dimensioned values.
	Unit Types
	Defines a series of classes which represent units.
	Unit Manipulators
	Defines a series of classes used to manipulate unit types, such as inverse<>, squared<>, and metric prefixes.
	Compile-time Unit Manipulators
	Defines a series of classes used to manipulate unit_value_t types at compile-time, such as unit_value_add<>, unit_value_sqrt<>, etc.
	Unit Math
	Defines a collection of unit-enabled, strongly-typed versions of <cmath> functions.
	Explicit Conversion
	Functions used to convert values of one logical type to another.
	Type Traits
	Defines a series of classes to obtain unit type information at compile-time.

Detailed Description