Added the toString() method for FedoraResource.
Merge pull request #622 from lsitu/feature/resource2string

Added the toString() method for FedoraResource.
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into master-aic
Initial commit of DB connector code.
Added configuration files for databases and tables
Added README.md file for aic-connector-db
Took out broken link from README in aic-connector-db
Set up framework for overriding ModeShape JdbcMetadataConnector.
Working on getting app to compile
Redo framework of aic-connector-db module to run as an independant connector
Working on listing catalogs
Displaying individual records for tbl_citi_object table.
Break up large directories into subfolders.
Add prefixes to citi IDs
Clean up README file.
Changed mixins for nodes in the CITI directory structure, added indexable to Record nodes.
Merge branch 'aic-citi-db-connector' of https://github.com/aic-collections/aicdams-lake into aic-citi-db-connector

Conflicts:
	aic-connector-db/pom.xml
	aic-connector-db/src/main/java/edu/artic/lake/connector/db/AicDatabaseLexicon.java
	aic-connector-db/src/main/java/edu/artic/lake/connector/db/PrefixRetriever.java
	aic-connector-db/src/main/java/edu/artic/lake/connector/db/RecordRetriever.java
	aic-connector-db/src/main/java/edu/artic/lake/connector/db/TableRetriever.java
Merge branch 'aic-citi-db-connector' of https://github.com/aic-collections/aicdams-lake into aic-citi-db-connector
Fixed CND priority.