Merge pull request #19 from tcb-hr/search

Search
Merge pull request #20 from tcb-hr/search

slogan
Large zoom control buttons
Doesn't throw error if chat message doesn't have a location
Merge pull request #21 from tcb-hr/mapZoom

Map zoom
Merge branch 'master' of https://github.com/tcb-hr/feed into search
prepping chat model for filter functions