Fix the version mess

0.3.0 was released without a changelog since I forgot to check that in
git (?)

CHANGELOG

@@ -31,6 +31,9 @@
 [0.2.5]
 * Updated to version 0.14.32
 
-[0.2.6]
+[0.3.0]
+* Updated to version 0.14.33
+
+[0.3.1]
 * Updated to version 0.14.35
 

CloudronManifest.json

@@ -5,7 +5,7 @@
   "description": "file://DESCRIPTION.md",
   "changelog": "file://CHANGELOG",
   "tagline": "Decentralized file synchronization",
-  "version": "0.2.6",
+  "version": "0.3.1",
   "healthCheckPath": "/check",
   "httpPort": 8000,
   "addons": {