Docs: Review of appendix
Docs: Review of appendix

Details:

- Reworded term CIM-XML.

- Added mentioning of wildcard keys in term INSTANCENAME.

- Removed term "WBEM connections definition filename" since it was only used
  in term "connections file". Used filename directly there.

- Fixed missing colon on :term: keyword in term MOF

Signed-off-by: Andreas Maier <0903150dae73adcf31eccfd2633bf70bbc40bd52@gmx.de>

pywbem/pywbemtools,pywbem/pywbemtools