Switch default method to 'local'

Fixes #11

Author: vrutkovs

ctf.conf.sample

@@ -8,5 +8,5 @@ ExecType=ansible
 
 [ansible]
 Host=192.168.1.1
-Method=ssh
+Method=local
 User=root

ctf_cli/common_environment.py

@@ -200,7 +200,7 @@ def after_all(context):
 
 [ansible]
 Host=192.168.1.1
-Method=ssh
+Method=local
 User=root
 """