v4.4.3726

Release RIDE 4.4

Changelog:
Replace model for keeping track of dirty lines (#639)
Reset ssh password on tab change (#880)
Close down forcefully on second attempt to quit (#887)
Set status to disconnected if connection lost
Recover deleted lines in session after execute
Autocompletion popup closes when backspacing (#714)
Add configuration option for autocompletion after N characters.
Improve visibility of breakpoint margin (#830)
Unset RIDE_CONNECT on launching new RIDE instance (#891)
Show ValueTip in floating windows and for ⍺ ⍵
Fixed undo/redo cmds triggered from menus (#550)