Remove obsolete locationDictionary from map helper
Fix highlightPieSlice function
Capitalise terms on overviewscreen
Re-fix tooltip positioning for all screen sizes
Add tooltips to map on overview page
News search now searches for and weights on a primary date that's drawn from the table search and integrated with Cassandra search. Related to this, fixed finding primary date of tables so it's now stored in Index table instead of OnlineData table
Remove API keys before moving on from free ones
update git ignore
Fixed find earliestdate in news search
Merge branch 'feature/backend' into develop
Merge branch 'feature/frontend' into develop