Update .doctrine-project.json for the website and 2.0 release.

Author: jwage

.doctrine-project.json

@@ -5,33 +5,14 @@
     "versions": [
         {
             "name": "2.0",
-            "branchName": "master",
+            "branchName": "2.0",
             "slug": "2.0",
-            "upcoming": true
+            "current": true
         },
         {
             "name": "1.3",
             "branchName": "1.3",
-            "slug": "1.3",
-            "current": true
-        },
-        {
-            "name": "1.2",
-            "branchName": "1.2",
-            "slug": "1.2",
-            "maintained": false
-        },
-        {
-            "name": "1.1",
-            "branchName": "1.1",
-            "slug": "1.1",
-            "maintained": false
-        },
-        {
-            "name": "1.0",
-            "branchName": "1.0",
-            "slug": "1.0",
-            "maintained": false
+            "slug": "1.3"
         }
     ]
 }