Pyramid-views

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4cd5b19580 Simplifying and fixing db session handling (Adam Charnock)

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8f74887407 Fixing error in session setup in configure_views() (Adam Charnock)

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304c4676d1 Adding a save hook on the ModelFormMixin (Adam Charnock)

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8ad625d1a2 Fixing inheritance of MacroMixin (Adam Charnock)

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e8330f7262 configure_views() will now accept an instantiated session (Adam Charnock)

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1cd3094bc0 Removing get_db_session(). The current session should now always be avilable via self.db_session (Adam Charnock)