add more layouts and integrate main layout for application
update profile icon
add navigation helper
Merge pull request #5 from 247DigitalGroup/integrate_layouts

Integrate layouts
layout integration for registration and password reset views
add confirmable required fields
MailGun integration
main design bugs fixed
Merge pull request #6 from 247DigitalGroup/devise

Devise
make BaseController for the whole base application
Merge with master
Upload avatar in edit profile page