gstreamer-gi: add sample launch(mp3parselaunch.rb)
Merge pull request #133 from ted-n/gstreamer-gi-samples

gstreamer-gi: add sample launch(mp3parselaunch.rb)

Patch by ted-n. Thanks!!!
gstreamer-gi: remove needless "do" from while
gstreamer-gi: Use "." instaed of "::" for calling class method
travis: add 2.0.0
glib2 test: support Ruby 2.0.0

The default encoding is changed to UTF-8 from US-ASCII since Ruby
2.0.0. This file contains binary strings. So we should specify
"binary" as the default encoding of the file.

GitHub: fix #134

Reported by mtasaka. Thanks!!!
gstreamer-gi: load GstBase

Reported by Takashi Nakajima. Thanks!!!
gi: fix indent
gi: make constructor methods private
Remove Ruby 1.8 support

We stop to provided fat gem for Windows for Ruby 1.8.
Add 1.2.2 entry
Update dist test target Ruby versions
Build fat gem for Windows for Ruby 2.0.0
gtksouceview3: add missing "-"
Add Ruby/GtkSourceView3 entry
Drop Ruby 1.8 from dist:test targets
Split Windows binary build task and Windows binding build task
1.2.2 -> 1.2.3
windows: add GI based bindings to Windows unsupported packages
windows: build Windows binaries for 1.9.3 and 2.0.0 at a time