Fix #7161 by only refreshing when needed.

Check to see if the sortDirectoriesFirst has actually changed before refresh.
implement per @peterflynn
rework per discovery and cleanup
Whitespace update
Merge pull request #7162 from adobe/dangoor/7161-specrunner-exception

Fix #7161 by only refreshing when needed.
RTC:Code cleanup, static inti, etc...
Merge pull request #7170 from adobe/jeff/pflynns-xp-suggestion

Disable File Watchers on XP (For real this time)
update sprint number to 38
Merge pull request #7175 from adobe/set-sprint-38

Update sprint number to 38
Merge branch 'master' into cmv4