Log Message:
Update ruby-tw to 1.0.6.  PR/48447

Changelog (from History.txt)

=== 1.0.6 2014-01-17

* rescue Launchy::CommandNotFoundError #56

=== 1.0.5 2014-01-16

* use HTTPS for OAuth::Consumer #55
  * thank you for contributing @ymrl

=== 1.0.4 2014-01-08

* update gem dependencies

=== 1.0.3 2014-01-08

* bugfix for rainbow 1.99.x #54
* use launchy gem to open OAuth-URL #53

=== 1.0.2 2013-11-27

* fix syntax error on ruby1.8.7

=== 1.0.1 2013-11-23

* bugfix -user:add #51

=== 1.0.0 2013-11-21

* fix for twitter gem v5.0.0 #50