v4.4.3672

Pre-Release of RIDE 4.4

WARNING: This is a pre-release version of RIDE 4.4: it is possible that functionality may be added, removed or altered; we do not recommend using pre-release versions of RIDE in production environments.

Changelog:
Merge pull request #808 from Dyalog/iss803
Dispose old ac providers when switching prefix key
Merge pull request #807 from tiamatica/readonlysbicon
Rename sb item groups and fix styling
new statusbar styling
show clock, busy, icon when ptype is 0
new divs grouping icons left and right
Merge pull request #795 from tiamatica/multilinedit
Trigger syntax highlighting from first line
did send EchoInput
miltiline determined by promptType, keep track of dirty multiline blocks
Cannot use rm -r to delete directories in PowerShell - missed one
Cannot use rm -r to delete directories in PowerShell
Merge pull request #804 from tiamatica/repgetlangbar
updated documentation for ReplyGetLanguageBar protocol should not recieve name prefixes
removed const
assume no name prefix exist in ReplyLanguageBar
Merge pull request #801 from awagga/master
Removal of fix from context menu; add seperate fix button.
Merge pull request #793 from tiamatica/disconnectcol
new dc colors, cleanup
on ride shutdown, set session bg to red. hues and tints vary depending on theme
Ride shuts down when apl task disappears