Switch to generic Spring HATEOAS links

* Use ModelAndView to support using Spring HATEOAS linkTo(methodTo()) ops
* Include link back to All Images when viewing single image
* Create _links template with fragments
* Embed generic listing of links fragment, use it for oneImage template
* Embed "Come see presentation at SpringOne" fragment and include it at bottom of all pages
Upgrade to java 8
Upgrade to Spring Boot 1.1.5.RELEASE
Correct typo in "projection"
Merge pull request #9 from gregturn/java8

Upgrade to java 8
Remove unneeded throws clause
Merge pull request #10 from gregturn/linkify

Switch to generic Spring HATEOAS links
Merge pull request #11 from gregturn/update-spring-boot

Upgrade to Spring Boot 1.1.5.RELEASE
Add paging support to hypermedia

Hypermedia API now has Spring Data's paging interface. This should make it easy to control volume of data being downloaded.

NOTE: Removed redundant @RepositoryRestResource annotation.