Check for java-6-openjdk-i386 in init.d

There is check for /usr/lib/jvm/java-6-openjdk-amd64, but no for 32-bit systems (/usr/lib/jvm/java-6-openjdk-i386).
Merge branch 'pull/2670'

Add 32-bit v6 jdk check for deb.
allow to set which queue implementation to use
expert setting, but still would be great to be able to control it
update jsr166y adn jst166e to latest versions