Update DEVELOP instructions

Author: sbidoul

DEVELOP.rst

@@ -21,7 +21,7 @@ To build it locally:
 How to release
 --------------
 
-* in the ``setuptools_odoo`` directory, run ``../mk_base_addons```
+* Install ``manifestoo-core`` and run ``./mk_core_addons``
 * update changelog in CHANGES.rst, by running ``towncrier --version <version>``
 * python setup.py check --restructuredtext
 * commit everything

mk_core_addons

@@ -14,7 +14,7 @@ SERIES = [
     ("16.0", True, "16"),
     ("15.0", True, "15"),
     ("14.0", True, "14"),
-    ("13.0", True, "13"),
+    # ("13.0", True, "13"),
     # ("12.0", True, "12"),
     # ("11.0", True, "11"),
     # ('10.0', True, "10"),