Updating logger to use Python 3.6.4 for better Caldera support

Vagrant/resources/caldera/caldera.service

@@ -5,7 +5,7 @@ After=multi-user.target
 [Service]
 Type=idle
 WorkingDirectory=/home/vagrant/caldera/caldera
-ExecStart=/usr/bin/python3 caldera.py
+ExecStart=/usr/local/bin/python3.6 caldera.py
 
 [Install]
 WantedBy=multi-user.target

Vagrant/resources/caldera/sslproto.patch

@@ -1,14 +0,0 @@
---- sslproto.py	2018-01-17 08:00:50.567571454 +0000
-+++ sslproto.py.new	2018-01-17 08:03:31.996275969 +0000
-@@ -533,8 +533,10 @@
-     def _get_extra_info(self, name, default=None):
-         if name in self._extra:
-             return self._extra[name]
--        else:
-+        elif self._transport is not None:
-             return self._transport.get_extra_info(name, default)
-+        else:
-+            return default
-
-     def _start_shutdown(self):
-         if self._in_shutdown: