Update metadata.txt

metadata.txt

@@ -1,17 +1,17 @@
 [general]
 name=pgRoutingLayer
 description=Dockable widget that adds pgRouting layers
-version=2.1.0
+version=2.0.0
 qgisMinimumVersion=1.8
 qgisMaximumVersion=2.99
 author=Anita Graser, Ko Nagase, Vicky Vergara
 email=anitagraser@gmx.at
-changelog=2.1
-    - support for pgRouting 2.1 API by Vicky Vergara
+changelog=2.0
+    - support for pgRouting 2.0
 tags=pgRouting,PostGIS,routing,network analysis
 icon=icon.png
 experimental=True
-homepage=http://anitagraser.com/tag/pgrouting-layer/
+homepage=https://github.com/pgRouting/pgRoutingLayer/wiki
 tracker=https://github.com/pgRouting/pgRoutingLayer
 repository=https://github.com/pgRouting/pgRoutingLayer
 category=Database