Change signup-success-redirect-url to signup_redirect_url

[#74974970] https://www.pivotaltracker.com/story/show/74974970

Signed-off-by: Rob Gallagher <rgallagher@pivotallabs.com>
Remove pom files

[#75287276] https://www.pivotaltracker.com/story/show/75287276
Upgrade jdbc-pool to latest
Authentication configuration documented
https://www.pivotaltracker.com/story/show/74864188
[#74864188]
Rename ldap.group. to ldap.groups. to get a cleaner and more consistent config