Add form for enabling link's to be sent by users directly. Also added mailers for notifications.
added hyperlinks for subscribe and contribute for better ux
rebase with master
fix regex for url validation, kept only simple check, 2) corrected grammatical mistake
Reset form after submit
change name newcontentmailer to contentmailer
Merge pull request #16 from devaroop/master

Form for easing submitting content by users.