add --collect-perf-data option
add atop to [SLES|UNIX]_PACKAGES if --collect-perf-data is set
move new code to more appropriate place
wrapper stubs
Switch from atop to sysstat
must fiddle on all the Linux hosts both before and after testing
We've switched from atop to sysstat
Strawman is finished and tested on Centos and Ubuntu
add support for SLES
Eat an error return
Add a module for performance to live
Move perf functions into its own module
Make perf logging fabulous
Merge branch 'atop_integration' of github.com:doug-rosser/beaker into atop_integration