add scan package dir setting for JPA-PLUGIN.JPAScanner
ignore exception
add ClassUtil.getClassFromClassPathAndJars support
tt
Merge branch 'master' of git.oschina.net:l-weiwei/EWeb4J-Framework

Conflicts:
	eweb4j-test/src/main/java/com/eweb4j/test/TestSimpleEWeb4J.java