handling the lazyloading request for dynaTree
lazyLoad the dynatree; added a new function to append the new nodes to existing node
Merge branch 'master' of https://github.com/molgenis/molgenis
The catalogue tree is lazy-loaded. When the top protocol is selected, all the data items need to be collected from server in order to show item selection. This process will be quick slow as it almost same as loading the whole tree in one goal
remove the redundant code and make a common method
servlet 2.5 --> 3.0
remove path
delete resource
fix a bug that when users check the top protocol as the first action, it did not retrieve the any data items
include persistence.xml
generate JPA instead of JDBC
bug fix: uncapitalize attribute name
do not use deprecated getConnection method
change hibernate method from validate --> update
data model change: protocolused in dataset obligatory
remove code (protocolused in dataset always exists)
bug fix: add missing resource
Merge pull request #7 from dennishendriksen/feature/jpa

Make JPA default db + data model change + bug fixes
fix the ExcelSheetReader + wrote tests
Merge branch 'master' of https://github.com/molgenis/molgenis