8185843: fix broken HotSpotInternals wiki links
Reviewed-by: dholmes, vlivanov
Contributed-by: muthusamy.chinnathambi@oracle.com

8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
Reviewed-by: twisti, kvn, sla

7092905: C2: Keep track of the number of dead nodes
Summary: keep an (almost) accurate running count of the reachable (live) flow graph nodes.
Reviewed-by: kvn, twisti, jrose, vlivanov

6807963: need tool to make sense of LogCompilaton output
Reviewed-by: kvn