toggle switch added for right sidebar.
alignment of subscribe button fixed
subscription to question done on UI. need to implement callback handlers.
call back handler added for entitycreate. if user has subscribed any question, and if it receives answer, then whom ever subscribed question, will receive an email notification
whenever user asks a question or answers it, he/she will automatically subscribes for an email alert
whenever user answers any question, subscription toggle state was not getting changed. fixed
subscription tab added on user profile page
Merge pull request #18 from amarpalsapure/subscribe-feature

Subscribe feature