Allow the ldap logins with email or username

Change-Id: I73b4aa4c46afd56ae02fb24abcd673c0724547e4
Update the proc/lamda to be consistent

Change-Id: I411c7544c7834b00d26e51dc9a6c0396c51bd4f3
Default allow username or email login to false

-If not specified in the gitlab.yml default this setting to false

Change-Id: I3551df364498dd84ccbd18c90797522e77159f05
Merge pull request #4289 from karlhungus/feature-ldap-signin-with-email-or-username

Allow the ldap logins with email or username