Feature/filestorage sharenetworks create (#118)

* sfs: Add support for share networks Create

* sfs: Add Manila to acceptance test environment

* sfs: Add acceptance tests for share networks Create

* sfs: Remove unused urls

Some url functions were introduced but they belong to other
PRs. Will be repushed with in the correct PRs

* sfs: Make name and descr required for creating share network

* sfs: Remove required parameters

After taking a close look at the code it appeared that 'name'
and 'description' are not required parameters
diff --git a/acceptance/openstack/sharedfilesystems/v2/pkg.go b/acceptance/openstack/sharedfilesystems/v2/pkg.go
new file mode 100644
index 0000000..5a5cd2b
--- /dev/null
+++ b/acceptance/openstack/sharedfilesystems/v2/pkg.go
@@ -0,0 +1,3 @@
+// The v2 package contains acceptance tests for the Openstack Manila V2 service.
+
+package v2