discodb: change leaf reallocs from 1 to LEAF_SIZE_INCREMENT to reduce the number of reallocs
discodb: change leaf reallocs from 1 to LEAF_SIZE_INCREMENT to reduce the number of reallocs

ktkt2009/disco,pombredanne/disco,beni55/disco,pooya/disco,pooya/disco,discoproject/disco,pombredanne/disco,discoproject/disco,beni55/disco,discoproject/disco,ErikDubbelboer/disco,discoproject/disco,seabirdzh/disco,simudream/disco,seabirdzh/disco,beni55/disco,oldmantaiter/disco,seabirdzh/disco,oldmantaiter/disco,pavlobaron/disco_playground,oldmantaiter/disco,mozilla/disco,pombredanne/disco,ktkt2009/disco,seabirdzh/disco,mozilla/disco,ktkt2009/disco,scrapinghub/disco,ErikDubbelboer/disco,beni55/disco,oldmantaiter/disco,mwilliams3/disco,ktkt2009/disco,mozilla/disco,pooya/disco,mozilla/disco,simudream/disco,simudream/disco,seabirdzh/disco,pooya/disco,scrapinghub/disco,simudream/disco,pavlobaron/disco_playground,pombredanne/disco,simudream/disco,ErikDubbelboer/disco,mwilliams3/disco,scrapinghub/disco,mwilliams3/disco,mwilliams3/disco,mwilliams3/disco,pombredanne/disco,scrapinghub/disco,ktkt2009/disco,beni55/disco,oldmantaiter/disco,ErikDubbelboer/disco,ErikDubbelboer/disco,discoproject/disco,pavlobaron/disco_playground,pavlobaron/disco_playground