Use #if defined(__sun) instead of __sun__ as recommended
Set LICENSE (GNU GPL version 2, according to the COPYING file)
Moved the manual page into PKGMANDIR
Update ruby-tzinfo to 0.3.42.

== Version 0.3.42 (tzdata v2014i) - 23-Oct-2014

* Updated to tzdata version 2014i
  (http://mm.icann.org/pipermail/tz-announce/2014-October/000026.html).
Note update of time/ruby-tzinfo package to 0.3.42.
Changes 0.4.2:
This is a binary compatible release.
* Android / gcc build fixes
* (Windows) fix reading from stdin and writing to stdout
* gif2webp: miscellaneous fixes
* fix 'alpha-leak' with lossy compression (issue 220)
* the lossless bitstream spec has been amended to reflect the current code
Updated graphics/libwebp to 0.4.2