Catalog is not ready for PressBooks.com
Merge branch 'dev' into hotfix
Merge branch 'dev' into hotfix
Fix for Ticket 846
EPUB import authors, metadata pb_section_author
Fix, bad logic
Merge pull request #17 from bdolor/authorsImport

EPUB import authors, metadata pb_section_author
Corrected typos, added links

Made spelling of references to WP multisite consistent with usage in the WP Codex, and added links to more info there. Fixed a couple of other typos along the way.
Merge pull request #18 from indiamos/dev

Corrected typos, added links
Reduce places we need to change default cover image.
Don't use get_ when not a class.
Moved cover_image_box() to Image namespace.
Catalog Logo, Work In Progress
Fix: Check if a user has manage_options rights.
Check if user can 'upload_files' for Cover Image
Removed redunant code.
Use INNER JOIN SQL instead of old ambiguous multiple table select.
Try to explain our seemingly random prefixes.
Update catalog log when user edits image in Media Library
Improve queribility of data.