Added maven profile for builds with JDK 8

Bug executing `mvn install` with JDK 8 and Maven 3.2 (See: http://jira.codehaus.org/browse/MPLUGIN-244)
### How reproduce:
Just execute `mvn install` with JDK8 and Maven 3.2
### Solution:
Added a profile to deactivate the strict html options when compiling with JDK 8.