gitclone: develop is false by default.

slapos/recipe/gitclone.py

@@ -139,10 +139,8 @@ class Recipe(object):
     if self.git_command == '':
       self.git_command = 'git'
     # Set boolean values
-    for key in ('use-cache', 'ignore-ssl-certificate'):
+    for key in ('develop', 'use-cache', 'ignore-ssl-certificate'):
       setattr(self, key.replace('-', '_'), options.get(key, '').lower() in TRUE_VALUES)
-    # By default we want to keep the repository
-    self.develop = options.get(key, 'yes').lower() in TRUE_VALUES
 
     self.networkcache = buildout.get('networkcache', {})