improved feedback when JAVA_HOME is invalid
added support for creation of glassfish JDBC connection pool and JDBC resource (incl. copying postgresql driver into glassfish domain ext/lib directory); adding support for 4.1 (while keeping support for 4.0)
moved implementations in extra module simulation-impl in order to avoid dependency errors involving testutils at build; changed openejb to 4.7.1 release
corrected password prompt for pexpect
added subversion (in apt-get and zypper package list) and plac installation
using plac now in bootstrap.py in to KISS; fixing correct usage of skip_tests flag; stopping setup of openejb snapshot/unstable prerequisites (there's some work to do if they're to be reused)