JBSEAM-5062
JBSEAM-5062 - some minor improvements
JBSEAM-5062 readme
clean also index directory and files for jacoco
JBSEAM-5034
JBSEAM-5045 Ajax error should call ExceptionFilter too
bz876851 - Old persistence version in example's persistence.xml
changed JPA version in seam testsuite too
Bug 875858 - Seam 2.3 seam-gen: XML validation doesn't work due to undefined 'version' property