Issue #4: add build status and 'powered by cloudbees' on readme
Issue #4: add build status and 'powered by cloudbees' on readme

cschanck/offheap-store,codeaudit/offheap-store,Rexhaif/offheap-store,mathieucarbou/offheap-store,chrisdennis/offheap-store,Terracotta-OSS/offheap-store,ljacomet/offheap-store