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:
	103-rubyonrails-org/views/index.html.erb
Indentation fix
Bootstrap start
CSS practice
Cat login practice