Beta version 1.9.1: gyp fixes.

Version 1.9.

- System spellchecker on Windows 8+ and macOS 10.12+.

Fixed inline message restriction width

Version 1.8.14: Fix crash in text processing on old OS X.

Version 1.8.13.

- Bug fixes and other minor improvements.

Version 1.8.12: Apply user settings in Session().

Fixes telegramdesktop#6617.

Version 1.8.11: Fix build for Xcode.

Version 1.8.10.

- Bug fixes and other minor improvements.

Version 1.8.9.

- Bug fixes and other minor improvements.

Fix theme link preview title.