[47950177] validation of sign in should be on the same page

Use a partial to render the common page of home/index and users/sign_in

Signed-off-by: Henry Chen <hchen@vmware.com>
[48226597] align redirect url after creating objects

fix issue that inconsistent redirection after creating job opening and candidate

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

Signed-off-by: Henry Chen <hchen@vmware.com>
Merge pull request #106 from Henry-CF/tune_up

[48226597] align redirect url after creating objects
Merge pull request #104 from Henry-CF/sign_in

[47950177] validation of sign in should be on the same page
[48053181] order openings/candidates by name/title by default

For interviews, the default order is 'scheduled_at'.

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

Signed-off-by: Henry Chen <hchen@vmware.com>
Merge pull request #107 from Henry-CF/order

[48053181] show openings/candidates with order name/title by default