Fix UFW install

wo/cli/plugins/site.py

@@ -261,7 +261,6 @@ class WOSiteEditController(CementBaseController):
         label = 'edit'
         stacked_on = 'site'
         stacked_type = 'nested'
-        exit_on_close = True
         description = ('Edit Nginx configuration of site')
         arguments = [
             (['site_name'],
@@ -316,7 +315,6 @@ class WOSiteCreateController(CementBaseController):
         label = 'create'
         stacked_on = 'site'
         stacked_type = 'nested'
-        exit_on_close = True
         description = ('this commands set up configuration and installs '
                        'required files as options are provided')
         arguments = [
@@ -792,7 +790,6 @@ class WOSiteUpdateController(CementBaseController):
         label = 'update'
         stacked_on = 'site'
         stacked_type = 'nested'
-        exit_on_close = True
         description = ('This command updates websites configuration to '
                        'another as per the options are provided')
         arguments = [
@@ -1826,7 +1823,6 @@ class WOSiteDeleteController(CementBaseController):
         label = 'delete'
         stacked_on = 'site'
         stacked_type = 'nested'
-        exit_on_close = True
         description = 'delete an existing website'
         arguments = [
             (['site_name'],
@@ -1966,7 +1962,6 @@ class WOSiteListController(CementBaseController):
         label = 'list'
         stacked_on = 'site'
         stacked_type = 'nested'
-        exit_on_close = True
         description = 'List websites'
         arguments = [
             (['--enabled'],