Improved notifications settings, 3x emoji, libjpeg, code refactoring, bug fixes

https://github.com/DrKLO/Telegram/pull/418
Hide emoji popup by pressing text message area, fixed that some links were untouchable

https://github.com/DrKLO/Telegram/pull/272
https://github.com/DrKLO/Telegram/issues/392
Added sdk version check for executeOnExecutor
Merge remote-tracking branch 'remotes/upstream/dev' into dev

Conflicts:
	TMessagesProj/src/main/java/org/telegram/messenger/MessagesController.java
	TMessagesProj/src/main/java/org/telegram/ui/SettingsNotificationsActivity.java
Merge remote-tracking branch 'remotes/upstream/dev' into dev

Conflicts:
	TMessagesProj/src/main/java/org/telegram/messenger/MessagesController.java
	TMessagesProj/src/main/java/org/telegram/ui/SettingsNotificationsActivity.java