Updated position of Polygons rule in GCSE Higher, fixed minor typos on Loci, Polygons, Profit %, OLMASS & Frequency rules.
Favourites page / functionality removed in favour of showing rule names on all rules.
New loading screen for when we're loading in the rules for a given set.
New language choice button and popup on home / main menu screen.
Welsh versions of all rules available.
Re-removed Unity Anaytics & Unity Ads (these had erroneously been included in the previous build)