Use generalized Makefile
Factor common types out of http-streams

Move Hostname and Port aliases to Network.Http.Types.
Minor corrections to Makefile
Depend on http-common
Factor out Types and RequestBuilder to http-common
Add install target to Makefile
Bunp API version
Change to using Network.Http.Internal
Build code before documentation
Deprecate getRequestHeaders
Implement getHeadersFull
Move Headers to bottom of documentation
Import correct package from http-common
Merge branch 'extract-common'

Conflicts:
	Makefile