Import twittering-mode-3.0.0 as net/twittering-mode.

Twittering-mode enables you to tweet on Emacsen.

- web: http://twmode.sf.net
- github: http://github.com/hayamiz/twittering-mode
Add twittering-mode 3.0.0.
Sorry, removing garbage.
Update ruby-tw to 0.4.2.

Changes from History.txt:

=== 0.4.2 2013-05-18

* enable -id=(id) option in pipe-tweet

=== 0.4.1 2013-05-18

* replty to status % tw "@shokai hello!" --id=1123454321

=== 0.4.0 2013-05-16

* status_id % tw --id
* RT tweet % tw --rt=12345136
* Fav tweet % tw --fav=12345136
Updated net/ruby-tw to 0.4.2
New tw gems explicitly requires ruby-args_parser>=0.1.4.
(it is already in pkgsrc)
Fix build under Mac OS X (Mountain Lion).
Don't use the bundled "awk" and "sed" under Mac OX Mountain Lion and newer.
They break badly on files with binary characters. This fixes e.g. the
build of the "youtube-dl" package.
Remove work-arounds for Mac OS X Mountain Lion's broken "awk" as we are
no longer using it.
Update onscripter to 20130411.

Upstream changes summary (only Japanese log available)

20130411:
 - fix a bug of bexec insn that doesn't return "SKIP" status
   even during skip mode
Updated games/onscripter to 20130411