Fix more similar typos in comments

Signed-off-by: Stefan Weil <sw@weilnetz.de>

src/dzitilesource.js

@@ -123,7 +123,7 @@ $.extend( $.DziTileSource.prototype, $.TileSource.prototype, /** @lends OpenSead
      *
      * @function
      * @param {Object|XMLDocument} data - the raw configuration
-     * @param {String} url - the url the data was retreived from if any.
+     * @param {String} url - the url the data was retrieved from if any.
      * @return {Object} options - A dictionary of keyword arguments sufficient
      *      to configure this tile sources constructor.
      */

src/imagetilesource.js

@@ -88,7 +88,7 @@
          *
          * @function
          * @param {Object} options - the options
-         * @param {String} dataUrl - the url the image was retreived from, if any.
+         * @param {String} dataUrl - the url the image was retrieved from, if any.
          * @return {Object} options - A dictionary of keyword arguments sufficient
          *      to configure this tile sources constructor.
          */

src/legacytilesource.js

@@ -121,7 +121,7 @@ $.extend( $.LegacyTileSource.prototype, $.TileSource.prototype, /** @lends OpenS
      *
      * @function
      * @param {Object|XMLDocument} configuration - the raw configuration
-     * @param {String} dataUrl - the url the data was retreived from if any.
+     * @param {String} dataUrl - the url the data was retrieved from if any.
      * @return {Object} options - A dictionary of keyword arguments sufficient
      *      to configure this tile sources constructor.
      */

src/osmtilesource.js

@@ -121,7 +121,7 @@ $.extend( $.OsmTileSource.prototype, $.TileSource.prototype, /** @lends OpenSead
      *
      * @function
      * @param {Object} data - the raw configuration
-     * @param {String} url - the url the data was retreived from if any.
+     * @param {String} url - the url the data was retrieved from if any.
      * @return {Object} options - A dictionary of keyword arguments sufficient
      *      to configure this tile sources constructor.
      */

src/tmstilesource.js

@@ -110,7 +110,7 @@ $.extend( $.TmsTileSource.prototype, $.TileSource.prototype, /** @lends OpenSead
      *
      * @function
      * @param {Object} data - the raw configuration
-     * @param {String} url - the url the data was retreived from if any.
+     * @param {String} url - the url the data was retrieved from if any.
      * @return {Object} options - A dictionary of keyword arguments sufficient
      *      to configure this tile sources constructor.
      */

src/zoomifytilesource.js

@@ -114,7 +114,7 @@
          *
          * @function
          * @param {Object} data - the raw configuration
-         * @param {String} url - the url the data was retreived from if any.
+         * @param {String} url - the url the data was retrieved from if any.
          * @return {Object} options - A dictionary of keyword arguments sufficient
          *      to configure this tile sources constructor.
          */