textproc/libucl: Universal configuration library parser [NEW]

Libucl is a parser and C API to parse and generate ucl objects. Libucl
consists of several groups of functions:

 * Parser functions
 * Emitting functions
 * Conversion functions
 * Generation functions
 * Iteration functions
 * Validation functions
 * Utility functions

WWW: https://github.com/vstakhov/libucl

Requested by:	lattera


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373527 35697150-7ecd-e111-bb59-0022644237b5