submodules url to https

Author: ajboni

Diff for: .gitmodules

@@ -1,3 +1,3 @@
 [submodule "py/calvo_cli_tools"]
 	path = py/calvo_cli_tools
-	url =  git@github.com:ajboni/calvo-cli-tools.git
+	url =  https://github.com/ajboni/calvo-cli-tools.git

Diff for: README.md

@@ -65,7 +65,7 @@ For the time being it can be build from source.
 Make sure to have the dependencies installed first.
 
 ```
-git clone repo
+git clone https://github.com/ajboni/calvo.git
 git submodule init
 git submodule update
 npm install