Minor - code style

Some minor commentary fixes.
Minor - code style

Comments and some whitespace fixes.
Minor - code style

Rephrase comment, remove whitespace.
README: update with github friendly content
auth/profile.php: fix index warning

Check for $GLOBALS['profileIsEditable'] existence before using it in
is_profile_editable(). Update function comment.
social/home.php: replace tabs with spaces

Also fix some grammar in comments.
Merge
Merge branch 'diegoe-small-fixes'