Added UrlToReferenceField

Added new Filed Type: UrlToReference which allows importing to a
Droptree (or any field that inherits ReferenceField)

Re-generated the package to include new FieldType and Insert options for
the Fields Folder

Included the package xml file for easier package re-generation in the
future
removed csv test

removed the test csv import
added version number to package file
Merge pull request #6 from mawiseman/master

Added new Filed Type: UrlToReference which allows importing to fields like Droptree