Initial import of libcurvecpr-20130806 into the packages collection.
libcurvecpr is a library implementation of Dan Bernstein's CurveCP

	libcurvecpr is a low-level, networking-independent implementation of
	Daniel J.  Bernstein's CurveCP.

	libcurvecpr is based on a system of callbacks that must be implemented
	by library users.  Like the reference CurveCP implementation, the
	client, server, and message-handling portions of libcurvecpr are
	entirely independent of each other.

	This means that while it's slightly more effort to build software
	based on libcurvecpr than other packages, it provides complete freedom
	to use any underlying mechanism for handling network traffic you want
	- whether it's an IPC connection to another program, standard
	poll(2)-type functionality, or libev.