Add vaadin spring integration sample code to workerbee-core

workerbee-web is deprecated
modify workerbee-server

apply workerbee-core
rename SpringVaadinServlet parameter name.

change beanName to initBeanName
create resources/beans directory.
move spring configuration files to resources/beans
arrange context files
setting hibernate session factory

hbn's version is 4.0.1.Final
setting up jpa with hibernate
rename some packages
some work
spring data jpa - step1
a few work

version up some libs
change jcl to slf4j
add dummyclasses
setup logging
add defulat value to workerbee-env.sh
totally delete logback stuff
modify workerbee-site.xml
jpa settup
beeconf
apply spring data jpa
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