Torquebox deployment and handling custom web context.
modified:   Gemfile
  torquebox gem
new file:   config/torquebox.rb
  tb dsl for deployment
modified:   lib/commonplace.rb
  hacks for handling web context such as localhost:8080/mywiki/home
modified:   lib/server.rb
  using sinatra url() and other tweaks for handling web context such as localhost:8080/mywiki/home
modified:   views/edit.erb
  using sinatra url() and other tweaks for handling web context such as localhost:8080/mywiki/home
modified:   views/layout.erb
  using sinatra url() and other tweaks for handling web context such as localhost:8080/mywiki/home
modified:   views/new.erb
  using sinatra url() and other tweaks for handling web context such as localhost:8080/mywiki/home