#959206: If a context is not set when rendering content, attempt to guess the context (fixes Views panes where "From context" was added but pane was never edited.)

#954728 by EclipseGc: Update node template page function name to not collide with new hook_node_view().

#922442 by EugenMayer, neclimdul and voxpelli: Make sure ctools_include can handle '' or NULL directory.

'defaults'.