ETC

Assigning the issue to myself and changing the priority to high.

The problem was that on Mac the default heap size is too small. I made a major change and now if the ETC is launched with less than 1.5G of max heap size, it restarts itself trying to get this memory. This check can be disabled by giving the parameter -Detc.allowSmallHeap. I also updated the Web Start version to set the memory size, so the work around is only for running ETC from local jar (in Web Start this option is available). Note that with this change all the parameters given to the JVM or with -D are lost if ETC restarts itself. This is not true for the ETC parameters described in the user manual, which are redirected correctly.