modified the content controller spec file.
Merge branch 'master' of github.com:nitinzd/brails
Have removed controllers like stories, parts and story_boards. We have changed the concept and will be having concepts like level, topic and so on...
add the nested_form gem. modified the topic model spec.
Merge branch 'master' of github.com:nitinzd/brails
rename the summary field to description. add the nested form for topic.
Have modified specs for level and topic.
written down the nested form.
Merge branch 'master' of github.com:nitinzd/brails
Merge branch 'master' into design

Conflicts:
	Gemfile
replace dots for coins