Description field added in topic model
Beutification of topics show page
    Beutification of content indexw page
Responsivenes check
Merge branch 'master' of github.com:techvision/brails4
ARIA added for topics
Merge branch 'master' of github.com:techvision/brails4
Auto height css added for levels
Merge pull request #34 from pratik14/master

Integration of Topics & content page #7