Fixing bugs.
Correcting syntax error in views template and reenabling Twitter
posting.
Adding Admin settings page.
Fixing Twitter post condition.
Twitter posts should just occur when the admin variable is set
to enabled.
Multiple fixes.
Adding check on comment form to not attempt to display for Anonymous
users. Adjusting wording on Admin settings link. Reenabling the
Request Review text (forgot to reenable after earlier work on
Model Review code.)