Require TLS for all connections
Submit v2.2.4 to App Store
moved JTTargetActionBlock to pod
fix .gitmodules
updated OnionKit, XMPPFramework, encrypted-core-data
Merge remote-tracking branch 'origin' into 2.3

Conflicts:
	Off the Record.xcodeproj/project.pbxproj
	Off the Record/OTRIntSetting.m
	Off the Record/OTRXMPPManager.m
	Submodules/XMPPFramework