Ensure fling events are always monitored in read-only view
Merge branch 'master' of https://github.com/Grunthos/Book-Catalogue

Conflicts:
	src/com/eleybourn/bookcatalogue/BookDetailsReadOnly.java
First stable checkin of 4.3

- has read-only mode as default
- started using Fragments
- uses ActionBarSherlock to support action bar in 2.1+
- many UI changes to better suit 2.1+ and 3+
- book editing allowed on all tabs simultaneously, including for add

NOTE: THIS IS INTERMEDIATE CODE. It has not been commented, cleaned, or
checked. But it is a stable build.
ActionBar Sherlock 4.2.0 sources used as a library project