Remove obsolete cpu freq code.

v1.9

Remove cpu freq code that was for RHEL 6

Fix pbench results.

Merge pull request #17 from redhat-performance/fix_results

Fix results

Harden wrapper

Add error handling to wrapper.

Flatten pbench results

Merge pull request #13 from redhat-performance/flatten_pbench

Flatten pbench results

Save run informtion

Merge pull request #10 from redhat-performance/add_run_info

Add run output information and run status

Add meta data to pbench_results

Merge pull request #9 from redhat-performance/add_metadata

Add meta_data to pbench results

pbench stats

pbench stats

v1.2: Merge pull request #7 from redhat-performance/iozone_fix

Fix results name as well as iterations and file creation.

Fix run dir and tools path

Merge pull request #3 from redhat-performance/fix_run_dir

Fix run dir

v1.0: Merge pull request #1 from redhat-performance/fix_usage

Fix usage message