Significant performance boost for fast-flowing output

macOS: faster startup

Profiles: added profile defaults, allowing you to set defaults for all profiles of a given type, e.g. globally set preferred SSH cipher

Fixed various keyboard input issues when using composed character keys in French, Spanish, Swedish, etc.

SFTP: fixed issues with uploading

SSH: fixed terminal toolbar padding when unpinned

Added generic hotkeys for profile selectors by profile type (e.g. Telnet profiles, SSH profiles)

macOS: fixed app not quitting completely on Cmd-Q

SSH: fixed proxy command not working

SSH: fixed Zmodem transfers not working in some cases

UI: added scrolling to transfers panel

UI: better separate profiles by group