Adds additional view closure methods, including onClose() when switching views to unbind listeners.
Adds additional view closure methods, including onClose() when switching views to unbind listeners.

slashk/goldstone-server,Solinea/goldstone-server,slashk/goldstone-server,slashk/goldstone-server,Solinea/goldstone-server,slashk/goldstone-server,Solinea/goldstone-server,slashk/goldstone-server,Solinea/goldstone-server,Solinea/goldstone-server