moved top20 tab to seqpeek map - related to #5
Deleted old files
Added new SeqPeek visualization, view and model
Added catalog unit parameter for creating model instances with attributes and options
Show MutSig rank in SeqPeek tracks - related to #5
Added id to SeqPeek div for VisQuick hovercards
Branch specific configurations
Added development version of SeqPeek
Added model and template for consolidated mutations map
Cleanup
Added new SeqPeek model and view to registry
Implemented data grid to display MutSig rank and sample statistics
allow datamodel users to specify different source suffixes (i.e. collections, tables).  datamodel.json points at root of database
removed unneeded
refactored logic into models
refactoring lookups and tumor_types
refactored webapp, router, topbar loads
renamed events
added lookups
defined UserPreferences model