Readable sample metadata

[tjmadonna]

Pages for testing readable metadata source?uuid=268f736ef83a86bed16679235fa55d3b source?uuid=8f5435263b43f20a6c930f32e5eb68ce sample?uuid=79f572ef4536830af57f95768e5cc1d7 dataset?uuid=96298ef73ac78d389b3ffb4404b03252 dataset?uuid=93f8817eb272a308b0fc2568291268fa dataset?uuid=cada7d113f2f4cb6fe093b7df9c73703 dataset?uuid=48880bf2c906d594d554e524b9677611

Changes

• Added cedar_mapped_metadata support
• Display readable metadata on sample, dataset, and mouse source pages
• Generalized Metadata and GroupedDataTable components