Request for integrating #230188 - Project properties showing old project is a JavaEE 7 project by default

Bug link:
https://netbeans.org/bugzilla/show_bug.cgi?id=230188

Description of the bug:
Project properties shows incorrect version of the application and does 
not respect web.xml version.

Impact assessment:
This impact on all users using Maven Web project.

Risk assessment:
IMHO there is no risk.

Fix:
http://hg.netbeans.org/web-main/rev/866681eef255

The fix was written by mjanicek, reviewed by mfousek and verifed by 
jskrivanek.

Thanks for the review,
Martin J.