Use a Bootstrap view form constructor instead of the regular one

Help on knowing how to modify the input generation can be found here:
https://groups.google.com/forum/#!topic/play-framework/fVQbxZIC8vE

This modification was needed to add 'class="form-control"' to the input element
generated by the Play framework.
Fix some tiny issues with inputForm
Work on index.html - organize things in tables
Merge pull request #31 from thescouser89/pretty_view

Pretty view
Allow packages to be observerd
Merge branch 'master' into observers
Add test to ensure that all obversers to a given subject are unique, based on its name