ENG-1740 Terminate full cluster on license violation.
ENG-1740 Terminate full cluster on license violation.

 * Check the license.xml only the leader. Don't need it
   on all nodes now.

 * Check the license after the network is running. Use
   CrashGlobalVoltDB to shutdown a non-compliant cluster.

r=jhugg (Thanks John).



ingted/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,wolffcm/voltdb,migue/voltdb,ingted/voltdb,ingted/voltdb,flybird119/voltdb,wolffcm/voltdb,flybird119/voltdb,zuowang/voltdb,migue/voltdb,kobronson/cs-voltdb,kobronson/cs-voltdb,deerwalk/voltdb,kumarrus/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,ingted/voltdb,wolffcm/voltdb,migue/voltdb,kumarrus/voltdb,zuowang/voltdb,kumarrus/voltdb,zuowang/voltdb,migue/voltdb,simonzhangsm/voltdb,flybird119/voltdb,paulmartel/voltdb,ingted/voltdb,flybird119/voltdb,paulmartel/voltdb,zuowang/voltdb,migue/voltdb,paulmartel/voltdb,VoltDB/voltdb,VoltDB/voltdb,creative-quant/voltdb,wolffcm/voltdb,VoltDB/voltdb,kumarrus/voltdb,deerwalk/voltdb,zuowang/voltdb,ingted/voltdb,creative-quant/voltdb,kobronson/cs-voltdb,zuowang/voltdb,kumarrus/voltdb,flybird119/voltdb,ingted/voltdb,deerwalk/voltdb,kumarrus/voltdb,simonzhangsm/voltdb,migue/voltdb,deerwalk/voltdb,flybird119/voltdb,simonzhangsm/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,kobronson/cs-voltdb,creative-quant/voltdb,creative-quant/voltdb,wolffcm/voltdb,creative-quant/voltdb,flybird119/voltdb,kobronson/cs-voltdb,creative-quant/voltdb,zuowang/voltdb,kobronson/cs-voltdb,kobronson/cs-voltdb,deerwalk/voltdb,kobronson/cs-voltdb,paulmartel/voltdb,wolffcm/voltdb,deerwalk/voltdb,ingted/voltdb,creative-quant/voltdb,wolffcm/voltdb,simonzhangsm/voltdb,flybird119/voltdb,simonzhangsm/voltdb,paulmartel/voltdb,paulmartel/voltdb,wolffcm/voltdb,migue/voltdb,kumarrus/voltdb,deerwalk/voltdb,VoltDB/voltdb,creative-quant/voltdb,VoltDB/voltdb,zuowang/voltdb,migue/voltdb,VoltDB/voltdb,kumarrus/voltdb