+ imported stickyheaderlist library source code, removed lib jar
+ integrated show list screen with stickyheaderlist lib, updated adapter appropriately
+ split both activities (my shows, search shows) into fragments
+ added layouts for show list header, show list item, search result
+ added isActive() method to ShowInfo, to determine if show is currently active or not
+ added toast message when failure adding show
+ preventing adding show if it's inactive
+ some cleanup, package structure cleanup