Basic loading indicator for browse
Basic loading indicators and additional enhancements from testing
Added better handling of searching and filtering by seperating out into separate views/viewmodels
Changed navigation from search and manage views to avoid bug in Sammy with IE
Minor tweaks from initial testing
Cached categories on start-up to resolve race issue occurring when detail/edit views were binding the category list and item during view activation. Also reduces unnecessary requests
Merge branch 'dev'