ignore log and db file
add hibernate depandence
add logback config
add Hibernate configs and a demo
add id property of MFMatrix and add AbstractWrapperMFMatrix
Merge branch 'master' into hibernate_persist

Conflicts:
	pom.xml
add sqlite to gitignore
merge HibernateDemoItem into HibernateDemo
modify MFMatrix interface to bean like
add MutableUserType and MFMatrixData