Add categories jobs page
Add WYSIWYG editor
Add categories page for jobs and resumes
Alert message for free ads
Sendgrid configured
change configuration to use current url
emails translated
Fix default url sendgrid
Merge pull request #13 from pigor/master

editor de texto WYSIWYG simples, traduções, mensagem de gratuidade, heroku e sendgrid (#6 #12 #5 #2 #9)