Fix #1338219 [Tolino Shine SW Rev. 1.4.5 requires ebooks in directory Books](https://bugs.launchpad.net/calibre/+bug/1338219)
Update the GUI section of the User Manual
Add translated Quick Start Guides in French and German
Edit Book: Add buttons to change the text alignment of the current paragraph. If you do not see them, go to Preferences->Toolbars and add them to the Text formatting actions toolbar.
Add em tags around button title

to distinguish the button title better from the rest of the text, there should be something around it like <em> tags.
Merge branch 'patch-1' of https://github.com/nerdoc/calibre