Issue #4 acceptance tests (user logs in)
Issue #3 guest signs up for account
User uniqueness validation test
Fix typo
Add launch gem
.rspec tweak
Fixes AT for #4
Test fixes
Fix typo
Remove line
#6: User creates goal (tests and implementation)
\#3, more test cases
Acceptance tests for #6
Fix DB cleaner config
#6 name uniqueness
Made tests for #3 less open
Typo
#6 AT: invalid name
#6 user_id presence unit test
Add rack_session_access gem to stub session var