added create test
fixed spelling of attributes_for
added create method
fixed template to show submit button and to hide password characters
fixed to show submit button
added update test
added update method
create method sets session and reders new template again if it fails
added session test for create
added test for update
added delete test
added more delete tests
added delete method
updated coverage
added index test
added index method
added index template
create post spec and added index test
added index method
added index view