VMM/{Account,common,maillocation}: Dovecot version (check) fixes. - Account: fixed versions dependencies. - maillocation: use the version string, may be uses in a error message. - common: version_hex() raises a ValueError, instead of returning 0, if the version string is invalid.

# use glob syntax.
syntax: glob

*~
*.py?
.*.swp
.swp
doc/build