Update fabfile for osmfr

fabfile.py

@@ -226,6 +226,7 @@ def dj(command):
     """
     Run a Django manage.py command on the server.
     """
+    with cd(env.project_dir):
         run_as_umap('{virtualenv_dir}/bin/python {project_dir}/manage.py {dj_command} '
             '--settings {project_conf}'.format(dj_command=command, **env))
 
@@ -270,4 +271,5 @@ def collect_remote_statics():
             with cd(subdir):
                 run_as_umap('git checkout {0}'.format(ref))
                 if subdir == "leaflet":
+                    run_as_umap('npm install')
                     run_as_umap('jake build')