Don't show recent-posts widget on blog home

- Recent Posts widget: no need for this to be shown on blog homepage.
- Code error: $tem->date instead of $item->blog_date
- minor html addition
Additional styles for comments

- Styles for 'no new/disallowed comments
- Styles for Prev/Next buttons for comments page
New fields, pages, template added

- 2 new fields added
- 1 new template
- 3 new pages
- Added some fields to 2 old templates (blog-post and blog-comments)
- Cleaned up some typos
Various changes including posts bulk actions

- Version 1.2 update
- Additional column on posts table in ProcessBlog that shows comments'
visibility status
- Bulk actions for posts (un/publish, comments visibility (4 states),
trash and delete) - replaced delete button
- On 'Settings' tab, added ability to specify global posts comments'
visibility (only applies where no visibility stated per post). Also
ability to configure maximum number of comments on a post before
automatic lockdown kicks in.
- Plural aware translatable strings (for the user messages after an
action)
Various enhancements such as comments visibility

- Version 1.2
- Comments visibility per post and global basis with various priorities.
E.g. If comments visibility selection is made on a post; that takes
precedence over any global settings except for global setting of maximum
comments per post