Support gem installation of shoes on Unix systems
Ensure we're uninstalling shoes from Rubygems plugin
Windows shoes.bat support for gem installation
Different summary and description to fix Rubygems warning
Sort classes by class name
Remove manual redraw and use app.redraw
Tidy up specs with with_redraws helper and make them work again

* also include swt app context in animation specs
* removed one spec due to unnecessary redraw method
Allow TextBlock to take a single string of text
Fix #574 - infinite loop, sorry everyone
Remove pending and set TextBlock#update_position to just redraw

* #574
Integreation specs started - regression spec for #574

* specs are meant to launch full out shoes scripts and well...
  just not error out
Merge pull request #570 from shoes/gem_installation

Support gem installation of shoes
Updated after_do to version 0.3

* Fixed bug with inheritance
* now works with modules
Fixed animation regression visible in sample1.rb