[editor][doc] fixed issues with installation instructions

doc/development.rst

@@ -28,13 +28,13 @@ Installation Steps
 
 #. Create a generic development Conda environment for the BEAT/Bob ecosystem using `the Bob/BEAT CLI tool <https://www.idiap.ch/software/bob/docs/bob/bob.devtools/master/install.html>`_: ::
 
-   $ conda create -n bdt -c https://www.idiap.ch/software/bob/conda bob.devtools
+   $ conda create -n bdt -c https://www.idiap.ch/software/bob/conda/label/beta -c https://www.idiap.ch/software/bob/conda bob.devtools python=3.6
 
 
 #. Activate the created environment and use the ``bdt`` command from ``bob.devtools`` to create a Conda environment for the ``beat.editor`` package: ::
 
    $ conda activate bdt
-   $ bdt create beat_editor
+   $ bdt create -vv beat_editor
    $ conda activate beat_editor
 
 #. For development, we want to generate all our CLI tools in the ``beat.editor`` project folder. Add the line ``dependent-scripts = true`` to ``buildout.cfg`` under the ``[scripts]`` section and use the ``buildout`` command to generate all the package's executables in ``bin/``: ::