Repurpose the installtion app for it's original intent which was let apps report on their dependencies and if they were met. This commit removes two more Python dependencies: GitPython and psutil.

mayan/apps/installation/views.py

@@ -8,14 +8,11 @@ from permissions.models import Permission
 
 from .classes import PropertyNamespace
 from .permissions import PERMISSION_INSTALLATION_DETAILS
-from .models import Installation
 
 
 def namespace_list(request):
     Permission.objects.check_permissions(request.user, [PERMISSION_INSTALLATION_DETAILS])
 
-    Installation().get_properties()
-
     return render_to_response('appearance/generic_list.html', {
         'object_list': PropertyNamespace.get_all(),
         'title': _('Installation property namespaces'),
@@ -26,8 +23,6 @@ def namespace_list(request):
 def namespace_details(request, namespace_id):
     Permission.objects.check_permissions(request.user, [PERMISSION_INSTALLATION_DETAILS])
 
-    Installation().get_properties()
-
     namespace = PropertyNamespace.get(namespace_id)
     object_list = namespace.get_properties()
     title = _('Installation namespace details for: %s') % namespace.label