Set Spring dependencies to build snapshots
Set Spring dependencies to build snapshots

Sets Spring Framework to 5.0.0.BUILD-SNAPSHOT

Sets Spring Data to 2.0.0.BUILD-SNAPSHOT

Sets Spring Data Release Train to Kay-BUILD-SNAPSHOT

Sets Spring Security to 4.2.2.BUILD-SNAPSHOT

Fixes gh-709

vpavic/spring-session,vpavic/spring-session,vpavic/spring-session