415826 start.jar module --enable and --disable

morphed mechanism into --initialize based templates
Merge branch 'jetty-9.1' of ssh://git.eclipse.org/gitroot/jetty/org.eclipse.jetty.project into jetty-9.1
415826 start.jar replace --enable with --initialize
415826 start.jar replace --enable with --initialize

refactored impl to be clearer when creating ini
renamed README.txt to README.TXT and updated contents
415826 start.jar replace --enable with --module-ini

Added --module-ini and --module-start-ini
jetty.base is set from user.dir
jetty.home is set from start.jar dir
Merge branch 'jetty-9.1' of ssh://git.eclipse.org/gitroot/jetty/org.eclipse.jetty.project into jetty-9.1