Added support for the supplementalRoles option to JettyCachingLdapLoginModule
Corrected regex in supplementalRoles option parser

Corrected regex in split call in supplementalRoles option parser to allow for zero spaces after commas.
Merge branch 'feature/ldap-supplemental-roles' of https://github.com/jdmulloy/rundeck into jdmulloy-feature/ldap-supplemental-roles

Conflicts:
	rundeck-launcher/rundeck-jetty-server/src/main/java/com/dtolabs/rundeck/jetty/jaas/JettyCachingLdapLoginModule.java
Merge branch 'jdmulloy-feature/ldap-supplemental-roles' into development