feat(gtfs.yml): Added fields to feed_info.txt

Added defult_lang, feed_contact_email, feed_contact_url

#663

Author: Rob Gregg

gtfs.yml

@@ -17,12 +17,16 @@
     required: true
     inputType: URL
     columnWidth: 12
-    helpContent: "The feed_publisher_url field contains the URL of the feed publishing organization's website. (This may be the same as one of the agency_url values in agency.txt.) The value must be a fully qualified URL that includes http:// or https://, and any special characters in the URL must be correctly escaped. See http://www.w3.org/Addressing/URL/4_URI_Recommentations.html for a description of how to create fully qualified URL values."
   - name: "feed_lang"
     required: true
     inputType: LANGUAGE
     columnWidth: 12
     helpContent: "The feed_lang field contains a IETF BCP 47 language code specifying the default language used for the text in this feed. This setting helps GTFS consumers choose capitalization rules and other language-specific settings for the feed. For an introduction to IETF BCP 47, please refer to http://www.rfc-editor.org/rfc/bcp/bcp47.txt and http://www.w3.org/International/articles/language-tags/."
+  - name: "default_lang"
+    required: false
+    inputType: LANGUAGE
+    columnWidth: 12
+    helpContent: "Defines the language used when the data consumer doesn’t know the language of the rider. It's often defined as en, English."
   - name: "feed_start_date"
     required: false
     inputType: DATE
@@ -67,6 +71,16 @@
     inputType: TEXT
     columnWidth: 12
     helpContent: "The feed publisher can specify a string here that indicates the current version of their GTFS feed. GTFS-consuming applications can display this value to help feed publishers determine whether the latest version of their feed has been incorporated."
+  - name: "feed_contact_email"
+    required: false
+    inputType: EMAIL
+    columnWidth: 12
+    helpContent: "Email address for communication regarding the GTFS dataset and data publishing practices."
+  - name: "feed_contact_url"
+    required: false
+    inputType: URL
+    columnWidth: 12
+    helpContent: "URL for contact information, a web-form, support desk, or other tools for communication regarding the GTFS dataset and data publishing practices."
 
 - id: agency
   name: agency.txt