Fixed error calculating blocks y position
Added image yellow_square.
Arkanoid now uses yellow_square instead of ball.png
Merge branch 'master' into trunk
Deleted dependency on the ruboto gem
Merge branch 'master' into trunk

Conflicts:
	lib/gosu.java.jar
Added methods show_keyboard and hide_keyboard
Added keyboard listener
input.rb now requires softkeyboard.rb
Added SoftKeyboard class now has initialization method
Renamed softKeyboard.rb to androidKeyboard.rb
Fixed minor error is previpus code
Deleted AndroidKeyboard initializer to avoid problems with subclassing.
Added attr_accessor gosu_window
Deleted androidKeyboard file, it didnt work.
Added listeners to the activity for key events.
Working version. Key events are captured
Added code to restore the keyboard after the windows lost focus.
It does not work well.
Changed show_implicit for show_forced in toggleSoftInput. Still doesnt work
Added ignored buttons, like volume change or switch app.
Bumped to version 0.0.5.dev
Changed onKyeEvent to work call super when ignores keys are pressed
Added code to call button_down and button_up events.
Changed array = [] to array.clear in several places to avoid garbage collection.
Input events list are now deleted after calling window.update.
So button_down? on window.update will return true if a button was pressed.
Deleted puts that were for debugging