Added Person model now has a birthday property that is based on a JSR-310 java.time.LocalDate class.

Configured all spring-boot related stuff to support JSR-310 date/time types.

Refactored PersonController a bit, person entities are now stored by JSON POST request. Added useful curl test scripts.
Upgraded to Jackson 2.4.2.
Updated javadoc.
Upgraded to srping-boot 1.1.7.RELEASE.
Removed @EnableWebMvc as it is not needed. This also temporarily fixes spring-boot issue gh-1620.
Updated README with JSR-310 stuff.