Update target platform.
Update target platform.
Align with Mylyn Docs EPUB release 2.1.0.
Rescan all folders if the folders list have changed in preferences.
Improve lock handling.
Add attribute to track when book was last opened.
Assert that shared instance is not pre-initialized.
Use Tycho 0.19.
Base target platoform on the Luna release.
Fix exception when table viewer is disposed.
Add logging to folder scanner.