Various linter fixes.

Summary:
- Removed trailing newlines.
- Added newline at EOF.
- Removed leading newlines.
- Trimmed trailing whitespace.
- Spelling fix.
- Added newline at EOF

Test Plan: N/A

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley

CC: hach-que, chad, Korvin, epriestley, aran

Differential Revision: https://secure.phabricator.com/D8344

support/empty/README

@@ -3,4 +3,3 @@ for some reason, you can use this one.
 
 Of course, it's not quite empty because it has this file in it. So it's a
 mostly-empty, readable directory.
-