Update README.md

Added documentation for using Mandrill email service
Update secrets.js

Added mandrill configuration
Update generator.js

Added Mandrill option to generator
Update generator.js

Fixed issue where email provider was not being set correctly within the user controller.
The second instance of the `'var smtpTransport = nodemailer.createTransport(\'SMTP\', {'` was not being caught.
Update README.md

Added back instagram documentation
Adding dotenv.
Fixing misspell in gitignore.
Fixed: default theme is now enabled by default.
Added: close button to alerts

Fixes #135
Merge remote-tracking branch 'origin/master'
Updated instagram-node version
LinkedIn API: Display education only if user listed that on their linkedin profile.

Fixes #138
Check if email is already taken when creating a new local account
Updated sign-in strategies.

Removed email check when trying to link multipel accounts. Otherwise trying to link facebook and google that use the same e-mail is impossible.
Updated sign-in strategies in generator.js
Updated README changelog and version number
Merge remote-tracking branch 'origin/master'
Merge branch 'master' of https://github.com/larsonjj/hackathon-starter into larsonjj-master
Updated mandrill demo login and keys
Added mandrill to features list, updated changelog
Update README.md