++ Invoice bean Item price management
Merge remote-tracking branch 'origin/master'

Conflicts:
	build/web/invoice.xhtml
	web/compositions/navigation.xhtml
	web/invoice.xhtml
++ corrected version cooperation
MERGE
Merge remote-tracking branch 'origin/master'

Conflicts:
	build/web/registration.xhtml
	src/java/model/beans/ItemsBean.java
	web/compositions/navigation.xhtml
+ Removed duplicit buttons