[50505921] fix bug hiring manager cannot assign candidates batchly

Signed-off-by: Henry Chen <hchen@vmware.com>
Merge branch 'master' of https://github.com/vmw-tmpst/heroapp-LetsHire into candidate
[50580719] support creating a candidate without adding it to a job opening

Signed-off-by: Henry Chen <hchen@vmware.com>
fix bug 49641687: For closed opening/interviews' edit, the already disabled hiring-manager/interviewer should still show in the the page but not editable
[50580719] support creating a candidate without adding it to a job opening

1 increase usability by only show 'please select' when necessary.
2 hiring manager couldn't create opening for other department.

Signed-off-by: Henry Chen <hchen@vmware.com>
more code refine for previous fix

Signed-off-by: Henry Chen <hchen@vmware.com>
add up and down arrow mark for the columns ordering
[PT 49575023] support set/unset candidate inactive
Merge pull request #199 from Chunjie/master

[PT 49575023] support set/unset candidate inactive
[50580821] add default checked checkbox to the add-feedback dialog
Merge branch 'master' of https://github.com/vmw-tmpst/heroapp-LetsHire into candidate

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

Conflicts:
	app/views/candidates/_candidates_index.html.slim
Merge pull request #198 from Henry-CF/candidate

fix access denied issue when a hiring manager assign multi candidates to opening.
fix bug 50581273, change the filters wording and style
fix the failed spec
add active scope for User to fetch all active users
remove settings pages
Merge remote-tracking branch 'vmw-tmpst/master' into some-modification

Conflicts:
	app/views/openings/_form.html.slim
[50588851] cancan's ability definition/usage

Signed-off-by: Henry Chen <hchen@vmware.com>
fix bug 50581387: time inconsistent in interviews list when mode switches.
Merge pull request #201 from whywhy36/fix-bug-50581273

Fix bug 50581273