Updated for iOS 15 in addition to numerous minor fixes.

This update from Apple will improve the functionality of this app. No new features are included.

Fixes incorrect Omer count

- iOS 8.x compatibility
- Added in Preferences a color theme option
- Added in Preferences an option to notify when there is new weekly commentary
- Added in Preferences an option to always hide weekly commentary

- Added Special Shabbat portions (Shuvah, Shekalim, Zachor, Parah, HaChodesh, HaGadol
- Added left/right swipe to change months
- Added commentary button to Scripture Viewer
- Fixed Rosh Chodesh haftarah bug