Update M::I
Use the standard EscapeJS in 4.0.6 or 4.0.0+security patches
%ARGS never contains the submitted form values; $ARGSRef does

This fixes a bug where the One-time To checkboxes reverted to unchecked
when an attachment was added or article included.  By flipping to
uncheck, they invert the state of the checkbox when next toggled.
Grab one-time recipient suggestions from RT-Send-To as well
Overhaul the doc to include the install process
Document changes
Start tracking a useful MANIFEST and MANIFEST.SKIP
Bump version and start tracking META.yml so we can track version bumps