Small bugfix in SLIM + add fogotten file to slim's Makefile.am

Forgotten file was the PID list file
The bugfix concerns the conf when selection mongodb as datasource (quick & dirty solution : keep dummmy_datasource loaded so we don't have to modify the original datasource conf)

progs/slim/Makefile.in

@@ -245,7 +245,7 @@ slim_install_model__DATA = install_model/loader.py \
 
 slim_conf_model_dir = $(slim_install_model_dir)/conf.d/
 slim_conf_model__DATA = install_model/conf.d/lodel2.ini
-slim_var__DATA = slim_instances.json
+slim_var__DATA = slim_instances.json slim_instances_pid.json
 slim_var_dir = $(localstatedir)/lodel2/slim/
 do_subst = sed -e 's,\[@\]LODEL2_PROGSDIR\[@\],$(lodel2_scripts_dir),g' \
 	-e 's,\[@\]SLIM_DATADIR\[@\],$(slimdatadir),g' \

progs/slim/slim.py

@@ -108,9 +108,9 @@ Selected interface is not the web iterface")
         if darg not in ('mongodb',):
             raise TypeError("Datasource_connectors can only be of : 'mongodb'")
         if darg.lower() == 'mongodb':
-            darg = 'mongodb_datasource'
+            darg = 'mongodb_datasource dummy_datasource'
         else:
-            darg = ''
+            darg = 'dummy_datasource'
         config['lodel2']['datasource_connectors'] = darg
     datasource_connectors = config['lodel2']['datasource_connectors']
     if datasource_connectors == 'mongodb_datasource':