updating categories
Merge branch 'master' of https://github.com/ashish-rathi/273
Merge branch 'master' of https://github.com/ashish-rathi/273
Merge branch 'master' of https://github.com/ashish-rathi/273
Merge branch 'master' of https://github.com/ashish-rathi/273
Merge branch 'master' of https://github.com/ashish-rathi/273
adding jquery validation library