added assertion flow
edit readme in assertion section
changed test name related to the assertion flow
Merge pull request #1 from tsov/assertion

Added Assertion Flow
removed create methods because of mass assignment errors
Merge pull request #2 from tsov/mass_assignment_problem

Mass Assignment errors
Revert "Merge pull request #2 from tsov/mass_assignment_problem"

This reverts commit ec9d59ed79e85997177b4947ae9d3e5b7bd06554, reversing
changes made to 6865c347f1ada3aaffe09592e9053d0f5d69cc2d.
Merge pull request #3 from tsov/revert_pull_request_2

Revert "Merge pull request #2 from tsov/mass_assignment_problem"
Merge branch 'assertion' into assertion-update

Conflicts:
	spec/dummy/db/schema.rb