Introduce RETRY env var, set default to 1

Author: mblaschke

bin/webdevops/Configuration.py

@@ -73,7 +73,7 @@
 
     'verbosity': 0,
     'threads': 1,
-    'retry': 5,
+    'retry': 1,
     'dryRun': False,
 }
 

bin/webdevops/command/BaseCommand.py

@@ -253,7 +253,8 @@ def get_retry(self):
         Get number of retries
         """
         default = 1
-        retry = max(0, int(self.option('retry')))
+        retry = os.getenv('RETRY', self.option('retry'))
+        retry = max(0, int(retry))
 
         if retry > 0:
             # user value