to avoid a huge conflict, the new signup page has been created off the master
merged from ios_signup and delete some files
jump to the list-org page after users successfully log-in or sign-up
a simple password verification to check if two passwords match
add a confirmation page after successfully users add an organization
add a selenium test for signup page
add the reg_emp selenium test to test_suite
add a new selenium test for reg_org and made a few changes for test_reg_emp
Merge branch 'master' into available_shifts