Data headers not matching docx headers

[glicerico]

There are a few mismatches between the dataset headers and the docx header definition files "Metric name". When the docx headers are used as reference while data-processing, this can lead to problems. Two kinds of typos:

• Misspelling of "fragmentation" (docx header definition file) as "fragmenation" (csv dataset header)
• Use of double underscores in some csv dataset headers, but only one in the docx header definition file

[glicerico]

Proposed solution: https://github.com/cisco-ie/telemetry/pull/7

[apletcher]

Thanks, will get these fixes in.