MFC r206089, r206684:

• Support for uncore counting events: one fixed PMC with the uncore domain clock, 8 programmable PMC.
• Westmere based CPU (Xeon 5600, Corei7 980X) support.
• New man pages with events list for core and uncore.
• Updated Corei7 events with Intel 253669-033US December 2009 doc. There is some removed events in the documentation, they have been kept in the code but documented in the man page as obsolete.
• Offcore response events can be setup with rsp token.

Sponsored by: NETASQ