Log message:
Add SHA512 digests for distfiles for textproc category

Problems found locating distfiles:
	Package cabocha: missing distfile cabocha-0.68.tar.bz2
	Package convertlit: missing distfile clit18src.zip
	Package php-enchant: missing distfile php-enchant/enchant-1.1.0.tgz

Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden).  All existing
SHA1 digests retained for now as an audit trail.

Log message:
Initial import of highr v0.3 as textproc/R-highr.

This package provides syntax highlighting for R source code. Currently
it supports LaTeX and HTML output. Source code of other languages can
be supported via Andre Simon's Highlight package.

Note: this commit is part of reorganizing some of the recently
imported R packages, which are being reimported into more appropriate
categories (and removed from math) as a result of a recent discussion
on tech-pkg and privately with wiz@.  See the thread starting with:

  http://mail-index.netbsd.org/tech-pkg/2014/09/05/msg013558.html