Ordered properties by prefix
new "datasource" information in the metrics screen

Fix #633
Change feedback on failed authentication

Fixed reference error and missing feedback message on failed login.

Fix #740
Add unique constraint on user email

Fix #738
Upgrade to Spring Boot 1.1.9

See http://spring.io/blog/2014/11/12/spring-boot-1-1-9-released
Pack external CSS

Fix #748
Merge pull request #752 from atomfrede/fix-reference-error

Change feedback on failed authentication
Merge branch 'master' of https://github.com/MatthieuLebigre/generator-jhipster