Merge pull request #298 from jesseeichar/spring-data-jpa

JPA based Data Layer
Fix log level in ProfileManager
Avoid java.lang.ArithmeticException: / by zero in stat.
Fix stat by date if invalid date are provided should return min/max date info.
Merge branch 'develop' of github.com:geonetwork/core-geonetwork into develop
Update web-ui

* Update to bootstrap 3.0.1
* font-awesome 4.0.1
* Apply closure jsstyle to component folder
* Add protractor tests
* Fix HTML template validation error
* Admin / Editor / Better form checks
* Admin / Stats / Fix error related to changes in JPA
Merge branch 'develop' of https://github.com/geonetwork/core-geonetwork into develop