List all ebooks on TextView.
Filter by epub extension.
List ebooks in ListView. Show connection progress on ActionBar.
Order list by Date|Name.
Get cover and metadata from ebook directory.
Show cover if available (from cover.jpg), as well as book title and author (from metadata.opf). Sort by name -> Title of the book (if available).
Screenshots added.
Some epub file added for testing purposes.
Screenshots updated.
Screenshots updated.
Update README.md