v2.7.8

Changes

• 402d52b #1006: Use latest_all timezone package, which includes Kiev and Etc/UTC
• 8d976b4 Update build number
• 92d1dcd Fix theme not loading properly on startup
• e32e90a Update change log, build, and version number
• df9716f Crashlytics: Crash in LocationPermissionPage #1004
• ba73339 Remove use of Provider
• 472e34e Fix #1006: Manually handle Kyiv timezone name change
• 7c869e4 Fix compiler warnings
• cb30fc8 Fix exceptions in AppManager initializing #997
• a56a8e0 Refactor main so MaterialApp is the root widget (#1010)