add setup page for letshire instead of using the seeding page.
Merge remote-tracking branch 'vmw-tmpst/master' into init_admin_user
redirect to root path instead of show some information when admin setup already done
Merge pull request #214 from whywhy36/init_admin_user

add setup page for letshire
Merge pull request #213 from Henry-CF/candidate

fix several candidates bugs
[50584785] only schedule interview for candidates under interview status

Signed-off-by: Henry Chen <hchen@vmware.com>
several ability refine

[50584785] should only 'schedule interviews' for candidates within interview loop
[50711767] recruiter cannot select hiring manager in 'new job opening' page

Signed-off-by: Henry Chen <hchen@vmware.com>