release 0.16.0

[forrestguice]

• adds "sidebar navigation", and an option to change the "launcher activity" (closes #505).
• adds support for custom events based on "shadow length" (closes #331).
• adds support for customizing the app color scheme; override map, graph, and highlight colors.
• adds "light graph" dialog (of sunlight over the year) (closes #735), "earliest/latest sunrise/sunset" info (closes #753), and a 3x2 graph widget (to sun position widgets).
• adds "use app location" option to alarms; reschedules alarms automatically when the location is changed (closes #768, closes #808).
• adds "bedtime mode" to alarms; helps schedule do-not-disturb during sleep hours (closes #425).
• adds "high brightness" option (closes #741) and swipeable buttons (closes #738) to the alarm screen.
• adds "next alarm" quick settings tile, and 2x2 and 3x2 "next alarm" widgets (closes #766).
• adds support for notification channels (api26+).
• adds permission USE_FULL_SCREEN_INTENT (needed for alarms over the lock screen) [PERMISSION]; fixes bug "alarms fail to display over lock screen" (closes #802).
• adds permission FOREGROUND_SERVICE (needed for alarms and notifications) [PERMISSION].
• adds permission ACCESS_NOTIFICATION_POLICY (needed to enable do-not-disturb at bedtime) [PERMISSION].
• fixes navigation bugs when using D-pad within alarm screens (Android TV).
• fixes incorrect default places coordinates (3 places updated).
• changes cross-quarter days to use "culturally neutral cross quarter day names" (closes #804).
• updates default app and widget themes, and adds additional default widget actions.
• updates Time4A dependency from 4.4.2-2019c to 4.8-2021a.
• updates constraint-layout dependency from 1.0.2 to 2.0.4.
• updates targetSdkVersion (25 -> 26 -> 28) (#725), and build tools to 28.0.3.
• increments minSdkVersion (10 -> 14) (closes #122); building for api10 remains possible for now by reverting changes in build.gradle.

[jmangel]

Thanks for adding the "light graph" widget! When will this be available on f-droid, or how I can install it otherwise?

[zekooooo]

Thanks so much for #753 =)