switch version number to 4.6.6+git
update dependency information charts
fix a hang in zuluMount-gui when checking for volume properties on a volume opened by a different user
maintain man pages uncompressed

Since Git compresses files internally maintaining them compressed
just complicates making changes to them.
Use <command> - <description> in manpages' NAME section

This fixes the manpage-has-bad-whatis-entry problem reported by Lintian.
drop obsolete xdg-open interpreter from .desktop files
drop deprecated TerminalOptions field from .desktop files
minor changes
various changes and improvements
sync with official released zuluCrypt-4.6.7.tar.bz2
Merge tag 'upstream/4.6.7' into debian

official released zuluCrypt-4.6.7.tar.bz2

Conflicts:
	zuluMount-gui/zuluMount.pro.user
refer to git.d.o as packaging VCS place
sync packaging with new upstream
update watch file to query GitHub