Refactor: cleanup generatePlans()
Refactor: cleanup generatePlans()

 * Eliminate the weird 'skip' boolean
 * Break all the per-snapshot work in to a separate function.

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