Removed svn keywords, more POSIX compliant shell scripts Removed the subversion keywords $Date$, $Id$ and $Rev$ from all files. Added centralized versions information from VirtualMailManager.constants.VERSION to many files. install.sh and upgrade.sh do now strict POSIX compliant string comparison in expressions. Fixed a type in upgrade.sh. Updated copyright information

# use glob syntax.
syntax: glob

*.py?
.*.swp
.swp