initial commit of ocperf
add README.md
Add pmumon
Add self profiling support

Add simple library functions for self profiling of programs.
Fix README.md
More README.md fixes
More README.md fixes
set x bits for all executables
add logo to README.md
update README.md
Add BSD license to self
Fix MSR access
handle unknown events again
document features
Initial ldlat direct support
comment fixes
more haswell model numbers
fix extra handling
Add "addr" address self profiling framework