Renaming to CouchRest Model

Refactored basic directory structure.
Moved to ActiveSupport for Validations and Callbacks.
Cleaned up older code, and removed support for text property types.

lib/couchrest/model/support/couchrest.rb

@@ -0,0 +1,19 @@
+
+module CouchRest
+
+  class Database
+
+    alias :delete_old! :delete!
+    def delete!
+      clear_model_fresh_cache
+      delete_old!
+    end
+
+    # If the database is deleted, ensure that the design docs will be refreshed.
+    def clear_model_fresh_cache
+      ::CouchRest::Model::Base.subclasses.each{|klass| klass.req_design_doc_refresh if klass.respond_to?(:req_design_doc_refresh)}
+    end
+
+  end
+
+end