Minor code standards and help improvements.
Move file_aliases method to its own global function, unish_file_aliases() and use it in a setUpBeforeClass() implementation.
Typo fixes in shellAliasTest.php
Issue #1963480 by greg.1.anderson | moshe weitzman: Added Site lists and output formats (CSV).
Remove some seemingly impotent code from sa command. Fix a comment as well.
Bug 2020957 by Aron Novak: Complete: use shell fallback
Typo fix.