feat(WorkerClass): new Worker class
refactor(CustomerBuilder): get static builder
- No need to instantiate using "new"
- More verbose
chore(spring-boot): update to version 1.1.3
- solve issue with jetty
feat(CustomerPagination): add pagination using guava library
- Add Guava dependencies
- Add pagination changes on the Customer Service
- Change offset and limit type from long to int
   and Customer "Collection" to Customer "List"
   to be compatible with guava Lists.partition funtion
feat(RestfulPage|PagedResourcesAssembler): return a paginated resource
  new RestfulPage wrapper class that embed guava pagination
  new PagedResourcesAssembler that add pagination information and links to the returned resource
feat(teamplatedLink)
refactor(pagination): refactor and clean unused code
refactor(PagedResourceAssembler): move to utils and rename as RestfulPagedResourceAssembler
  Also delete unused PagedCustomerReosources class