improvement of PrintedBook class

Changes on PrintedBookController
Changes on PrintedBook
Minor bugs fixed
Merge branch 'master' of https://github.com/AlexandrosV/MagicBiblio

Conflicts:
	build/built-jar.properties
	build/nb-jfx.jks
	dist/MagicBiblio.html
	dist/MagicBiblio.jnlp
	nbproject/private/private.xml
	src/magicbiblio/MagicBiblio.java
	test.xml