ENTESB-2198 - Fix container-default-jvm-options Karaf command

Added a dummy param to descriminate flags for the command and input values
ENTESB-2198 - container-create-child uses default jvm opts
Merge pull request #14 from paoloantinori/ENTESB-2198_fix-jvm-default-opts

Entesb 2198 fix jvm default opts