Added labels to SheetViews returned by Sheets and Projections
Updated imagen submodule reference
Updated som_retinotopy test data for fixed time-dependent hashes
Fixed param logging in IPython Notebook

IPython Notebook specific logic has been moved to profile_topo under
startup/notebook_setup.py. This file now create a custom logger for
param to ensure that param logging messages are correctly displayed in
the Notebook environment.
Replaced old featuremapper storage hook with unified hook
Updated imagen and featuremapper submodule references
Updated curve plotting legacy code
Updated imagen submodule reference
Added CFView style definition
Updated imagen and featuremapper submodule references
Updated imports of dataview objects
Updated imagen and featuremapper submodule references
Fixed broken import
Updated imagen and featuremapper submodule references
Updated imagen submodule reference
Updated imagen submodule reference
Fixed curve plotting backwards compatibility class
Updated param submodule reference
Removed links to obsolete sf.net discussion forums and added more links to GitHub
Fix formatting