Added email-templates to send emails with html from templates
First email template added to send user register validation email
Some changes in user password generation on user create to generate a salt after create the password
userRegisterValidationEmail changed to AccontActivationEmail
email config example added
test enviroment config added in testHelper.js
outlook example email config updated
MailService.sendAccontActivationEmail added to send activation emails and MailService.sendMail changed to work with configs
AuthToken added to generate and save auth tokens for user activation, password reset and one time logins
Login controller added in login form
Navbar changed to use directives for user menu and user login
Suport for emails services and registration activation added but not need activation url
Merge with master branch