AppResearchPortal: user can access data via research portal

Stories:

• StoryBrowseAndSelectFeatures? - User can browse and select features in a treeview; Selected features are put in shopping cart.
• StoryViewAndFilterInMatrix - user can browse and filter data in matrix view; repeated values can be made cols/rows
• StoryDownloadAsPlink - user can select one feature and download with associated genotypes
• StoryDownloadAsSpss? - use can select multiple features and download as spss
• StoryRunGwasAnalysis?