When creating a top-level Space, check node_access() rather than og_user_access().
Merge pull request #3 from dsnopek/access-denied-top-level-spaces

When creating a top-level Space, check node_access() rather than og_user_access().
Allow the "Show subspace content" checkbox to work in more situations, like with Workbench content.
Merge pull request #4 from dsnopek/show-subspace-content-fix

Allow the "Show subspace content" checkbox to work in more situations, like with Workbench content.