+ improve DataSource setup

+ add more clarifications

+ moved JPA/AOP META-INF/ files into the webapp classpath 

+ added on the fly db configuration to all contexts
+ removed schema numbers to always pick the latest version

+ moved db files around
+ moved JPA/AOP META-INF/ files into the webapp classpath 

SPR-6449
+ fix the packaging of some libraries to prevent weird class loading problems from occuring

+ move jdbc scripts from META-INF into /resources

SPR-6448
+ commit the gross of the files
+ added maven pom

+ added basic files