Migrate GTFS documentation links from developers.google.com to gtfs.org

src/main/java/org/mtransit/parser/config/gtfs/data/AgencyConfig.kt

@@ -13,7 +13,7 @@ data class AgencyConfig(
     /**
      * Route type filter (integer from GTFS Static `routes.txt` > `route_type` field)
      * (useful when multiple route type in same GTFS)
-     * @see [https://developers.google.com/transit/gtfs/reference#routestxt]
+     * @see [https://gtfs.org/reference/static/#routestxt]
      */
     @SerialName("target_route_type_id")
     val targetRouteTypeId: Int, // REQUIRED

src/main/java/org/mtransit/parser/gtfs/data/GAgency.kt

@@ -6,7 +6,6 @@ import org.mtransit.commons.gtfs.data.AgencyId
 import org.mtransit.parser.MTLog
 
 // https://gtfs.org/schedule/reference/#agencytxt
-// https://developers.google.com/transit/gtfs/reference#agency_fields
 data class GAgency(
     val agencyIdInt: Int,
     val agencyName: String,

src/main/java/org/mtransit/parser/gtfs/data/GCalendar.kt

@@ -4,7 +4,6 @@ import androidx.annotation.Discouraged
 import org.mtransit.parser.MTLog
 import java.util.Calendar
 
-// https://developers.google.com/transit/gtfs/reference#calendar_fields
 // https://gtfs.org/reference/static/#calendartxt
 data class GCalendar(
     val serviceIdInt: Int,

src/main/java/org/mtransit/parser/gtfs/data/GCalendarDate.kt

@@ -11,7 +11,6 @@ import org.mtransit.parser.gtfs.data.GFieldTypes.isDate
 import java.lang.Integer.max
 import java.lang.Integer.min
 
-// https://developers.google.com/transit/gtfs/reference#calendar_dates_fields
 // https://gtfs.org/reference/static/#calendar_datestxt
 data class GCalendarDate(
     val serviceIdInt: Int,

src/main/java/org/mtransit/parser/gtfs/data/GDirectionId.kt

@@ -2,7 +2,6 @@ package org.mtransit.parser.gtfs.data
 
 import org.mtransit.parser.MTLog
 
-// https://developers.google.com/transit/gtfs/reference#tripstxt
 // https://gtfs.org/reference/static/#tripstxt
 enum class GDirectionId(val id: Int) {
 

src/main/java/org/mtransit/parser/gtfs/data/GDropOffType.kt

@@ -2,7 +2,7 @@ package org.mtransit.parser.gtfs.data
 
 import org.mtransit.parser.MTLog
 
-// https://developers.google.com/transit/gtfs/reference#stop_times_drop_off_type_field
+// https://gtfs.org/schedule/reference/#stop_timestxt
 enum class GDropOffType(val id: Int) {
 
     REGULAR(0),

src/main/java/org/mtransit/parser/gtfs/data/GFieldTypes.kt

@@ -7,7 +7,6 @@ import java.util.Calendar
 import java.util.Date
 import java.util.Locale
 
-// https://developers.google.com/transit/gtfs/reference#field_types
 // https://gtfs.org/schedule/reference/#field-types
 @Suppress("unused", "MemberVisibilityCanBePrivate")
 object GFieldTypes {

src/main/java/org/mtransit/parser/gtfs/data/GFrequency.kt

@@ -7,7 +7,6 @@ import org.mtransit.parser.gtfs.GAgencyTools
 import java.util.Date
 import java.util.concurrent.TimeUnit
 
-// https://developers.google.com/transit/gtfs/reference#frequenciestxt
 // https://gtfs.org/reference/static/#frequenciestxt
 data class GFrequency(
     val tripIdInt: Int,

src/main/java/org/mtransit/parser/gtfs/data/GPickupType.kt

@@ -2,7 +2,7 @@ package org.mtransit.parser.gtfs.data
 
 import org.mtransit.parser.MTLog
 
-// https://developers.google.com/transit/gtfs/reference#stop_times_pickup_type_field
+// https://gtfs.org/schedule/reference/#stop_timestxt
 enum class GPickupType(val id: Int) {
 
     REGULAR(0),

src/main/java/org/mtransit/parser/gtfs/data/GRoute.kt

@@ -10,7 +10,6 @@ import org.mtransit.parser.MTLog
 import org.mtransit.parser.gtfs.GAgencyTools
 import kotlin.math.max
 
-// https://developers.google.com/transit/gtfs/reference#routestxt
 // https://gtfs.org/reference/static/#routestxt
 data class GRoute(
     val agencyIdInt: Int, // Optional (or empty)

src/main/java/org/mtransit/parser/gtfs/data/GRouteType.kt

@@ -1,6 +1,6 @@
 package org.mtransit.parser.gtfs.data
 
-// https://developers.google.com/transit/gtfs/reference/#routestxt
+// https://gtfs.org/reference/static/#routestxt
 enum class GRouteType(
     val id: Int
 ) {

src/main/java/org/mtransit/parser/gtfs/data/GSpec.java

@@ -26,8 +26,8 @@
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
 
-// https://developers.google.com/transit/gtfs/reference#FeedFiles
-// https://developers.google.com/transit/gtfs/reference/difference-gtfs-transit-implement
+// https://gtfs.org/schedule/reference
+// https://gtfs.org/schedule/best-practices
 @SuppressWarnings({"RedundantSuppression", "WeakerAccess"})
 public class GSpec {
 

src/main/java/org/mtransit/parser/gtfs/data/GStop.kt

@@ -9,7 +9,6 @@ import org.mtransit.parser.MTLog
 import org.mtransit.parser.gtfs.GAgencyTools
 import kotlin.math.floor
 
-// https://developers.google.com/transit/gtfs/reference#stops_fields
 // https://gtfs.org/schedule/reference/#stopstxt
 data class GStop(
     val stopIdInt: Int,

src/main/java/org/mtransit/parser/gtfs/data/GStopTime.kt

@@ -9,7 +9,6 @@ import org.mtransit.parser.gtfs.GAgencyTools
 import java.util.Date
 
 // https://gtfs.org/schedule/reference/#stop_timestxt
-// https://developers.google.com/transit/gtfs/reference#stop_times_fields
 data class GStopTime(
     val tripIdInt: Int,
     private val _arrivalTime: Int,

src/main/java/org/mtransit/parser/gtfs/data/GTimePoint.kt

@@ -3,7 +3,6 @@ package org.mtransit.parser.gtfs.data
 import org.mtransit.parser.MTLog
 
 // https://gtfs.org/schedule/reference/#stop_timestxt
-// https://developers.google.com/transit/gtfs/reference#stop_timestxt
 enum class GTimePoint(val id: Int) {
 
     APPROXIMATE(0),

src/main/java/org/mtransit/parser/gtfs/data/GTrip.kt

@@ -6,7 +6,6 @@ import org.mtransit.commons.gtfs.data.Trip
 import org.mtransit.parser.MTLog
 import org.mtransit.parser.gtfs.GAgencyTools
 
-// https://developers.google.com/transit/gtfs/reference#tripstxt
 // https://gtfs.org/reference/static/#tripstxt
 data class GTrip(
     val tripIdInt: Int,