Updated rack-piwik gem for bug fix.
Added 104.
Remove exercise 103.
Added exercises 105, 106, 107, 108, 109.
Merge branch 'master' of github.com:davincicoders/2013-q4-ruby

Conflicts:
	104-fix-indentation/Gemfile
	104-fix-indentation/config.ru
	104-fix-indentation/public/fonts/glyphicons-halflings-regular.eot
	104-fix-indentation/public/fonts/glyphicons-halflings-regular.svg
	104-fix-indentation/public/fonts/glyphicons-halflings-regular.ttf
	104-fix-indentation/public/fonts/glyphicons-halflings-regular.woff
	104-fix-indentation/public/stylesheets/application.css
	104-fix-indentation/public/stylesheets/bootstrap.css
	104-fix-indentation/views/_layout.html.erb
	104-fix-indentation/views/view_helpers.rb
	107-bootstrap-web-email/Gemfile.lock