added signup form in ask form

git-svn-id: https://plugins.svn.wordpress.org/anspress/trunk@939456 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added OOP based JS for site and validation for ask signup form

git-svn-id: https://plugins.svn.wordpress.org/anspress/trunk@939457 b8457f37-d9ea-0310-8a92-e5e31aec5664