added support for predicate attributes to the SOAP relationship operations
irods module ready for injected staging manager bean
staging manager now operates by regex replacement patterns
staging manager now a bean configured with a Map<String, String>, no longer singleton
new staging manager tests
new staging manager config loading by the Irods module

Conflicts:

	fcrepo-irods-storage/src/main/java/fedorax/server/module/storage/IrodsExternalContentManager.java
	fcrepo-irods-storage/src/main/java/fedorax/server/module/storage/lowlevel/irods/IrodsLowlevelStorageModule.java
Merge branch 'review_interface' of github.com:UNC-Libraries/Carolina-Digital-Repository into review_interface