prevent categories list from fetching if already fetched
dismiss search bar keyboard when tapping anywhere on screen
show loading indicator when fetching suggested tags
added tableview for displaying tags when user searches
set background color to white and alpha to 0.85
hide search tableview and show when search text field is first responder
extend cell separator across entire tableview
created search results array, populated with sample data. connected search table.
set font of cell text label
added plus icon to cell subviews
remove tap gesture recognizer
place cell copy over tableview when user selects cell
uiview subclass for hilighting cell when selecting from search table
when selecting cell from search table, render selected cell view
set background color of selected tag view to orange
animate cell when selecting tag from search results