OBMFULL-5326 Correctly disables obm-ldap module upon purge.
OBMFULL-5326 Extract the obm-sync configuration service to its own module.
OBMFULL-5326 No LDAP provisioning if the LDAP module is disabled.

Adds a ConfigurationService.isLdapModuleEnabled() method and checks its value
when the provisioning attempts to interact with the LDAP manager.
../java/sync/ldap-client/src/main/java/org/obm/provisioning/ldap/client/NoopLdapManagerImpl.java
OBMFULL-5471 Fixes date normalization in conflict popup.

This fixes makes the logic much more simple and robust.
OBMFULL-5471 Removes 'extra' freebusy.
OBMFULL-5471 Fix display of freebusy event.
OBMFULL-5898 obm-tomcat script should take care of SUN-JDK