Merge pull request #18 from YunoHost/upgrade_source

Upgrade source

conf/app.src

@@ -0,0 +1,2 @@
+SOURCE_URL=url of app's source
+SOURCE_SUM=md5 or sha1 checksum

sources/README.md

@@ -1,3 +0,0 @@
-Place the sources of the webapp in this folder.
-
-This file can be removed.