Correct acl hrefs which are supposed to be principal uris.
Correct acl hrefs which are supposed to be principal uris.

Change the caldav system inteface and implementations to return principal roots.

Change acl emitting code to use new href builder class

Change calling code appropriately.

Add principal roots to jsp headers so stylesheets can recognize a user for what it is.

Change restore program to read system properties and set them if restore data does not have the values. 


Bedework/bw-classic,Bedework/bw-classic,Bedework/bw-classic,Bedework/bw-classic