Missing Hindi characters in headers

Database update (Android, iOS, Desktop) Install version 3.5.1 of the app and access any site. Go to a course. Update the app. Check that you can navigate to site / course and no error is shown. Broken unicode text (Android 4.4, possibly other versions) Create a page with the name "मैं काँच खा सकता हूँ और मुझे उससे कोई चोट नहीं पहुंचती" Access the page and pull to refresh. Check that the name is displayed correctly in the header bar. Missing fonts (Desktop) Create a page with the name "Elsősegély". Access the page. Check that the "ő" is rendered with the same font as the rest of the word. Android crash Create a page with the contents of http://kermitproject.org/utf8.html Access the page. Check that the page is displayed (not all alphabets are supported) and the app does not crash.