Documentation improvements to filedriver.py and build.md
Small improvements to build.md GettingStarted and filedriver.py doc
Edited by Mathieu Westphal (Kitware)
System updates will be applied on May 27th between 7am and 9am, EST (UTC-05:00). This site will have intermittent downtime during that time.
Small improvements to build.md GettingStarted and filedriver.py doc