log.info for global explorers (may also take some time)

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>

lib/cdist/config_install.py

@@ -97,6 +97,7 @@ class ConfigInstall(object):
     def run_global_explorers(self):
         """Run global explorers and save output"""
         # FIXME: move to explorer, pass global_explorer_out_path as argument
+        self.log.info("Running global explorers")
         self.explorer.transfer_global_explorers()
         for explorer in self.explorer.list_global_explorer_names():
             output = self.explorer.run_global_explorer(explorer)