Add benchmarks to test LocalCache and read_multi with LocalCache
Add benchmarks to test LocalCache and read_multi with LocalCache

exact/dalli,akihiro17/dalli,jaxi/dalli,hbu50/dalli,joshwlewis/dalli,wjordan/dalli,leonid-shevtsov/dalli,cjbottaro/dalli,mrb/dalli,retailnext/dalli,mperham/dalli,reverbnation/dalli,indirect/dalli,tlemburg/dalli,sanemat/dalli,jwinter/dalli,murtuzakz/dalli,mcka1n/dalli,danielribeiro/dalli,sandys/dalli,dplummer/dalli,freeatnet/dalli,arthurnn/dalli,shaiguitar/dalli,petergoldstein/dalli,godfat/dalli,vipulnsward/dalli,stefanwille/dalli,dtakahas/dalli,hirocaster/dalli,nitinstp23/dalli,dannyfallon/dalli,ScotterC/dalli,mcansky/dalli,jjb/dalli,jcxplorer/dalli,petergoldstein/dalli,alevy/dalli,linyows/dalli,eileencodes/dalli,mumoshu/dalli,eagletmt/dalli,dblock/dalli,uzzz/dalli,IFTTT/dalli