Minor code cleanup

Minor code cleanup
Minor code cleanup

Minor code cleanup
Minor code cleanup

Minor code cleanup
Code cleanup

Code cleanup
Minor correction to referenced field name

Corrected reference to 'date' field. Needed to be referenced as
'blog_date'.
Version bumped up to 1.2.2

Bumped up version to 1.2.2 to correspond with changes in MarkupBlog
Various enhancements mainly in renderComments()

- added 4th argument $options to renderComments(). This array can be
used to customise comments' status texts, e.g. 'No comments. Be the
first to comment'. $options array also allows to setting of requirement
for user to log in before commenting, i.e. comments_login_required =
true. Default is false
-Some code cleanup
-Code typo $comments instead of merged $commentsArray (e.g. on line 753)
-Some changes to translation strings - e.g. using the faster $this->_
-Bumped up version to 1.2.2