update leaflet-routing

bower_components/leaflet-routing/CHANGELOG.md

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+Changelog
+=========
+
+### 0.2.0 (Unreadlesed)
+
+**Features**
+
+* Add option for overriding draw shortcuts (#23)
+* Add option for disabling drawing marker (#18)
+* Disable shortcuts by setting `options.shortcut` to `false`.
+* Add support for loading GeoJSON without waypoints (#16).
+* Add option to #loadGeoJSON() to disable map fit bounds.
+
+**Breaking changes**
+
+* Default shortcut key for draw enable is `d`
+* Default shortcut key for draw disable is `q`
+
+### 0.1.1 March 11, 2014
+
+**Features**
+
+* Add changelog overview (#14)
+* Add Change map bounds when loading GeoJSON (#13)
+
+**Bugfixes**
+
+* Fix undefined evaluation when snapping layer is not avaiable (#15)
+* Fail gracefully when loading invalid GeoJSON (#12)
+
+### 0.1.0 March 10, 2014
+
+* Implements `#loadGeoJSON()` method (#3)
+
+#### Backwards compability note
+
+* Format of `properties.waypoints` in `#toGeoJSON()` is changed according to #3.
+