First cut of the UserService and application configuration.
Added spring-boot maven plugin on the web layer.
Wrote spring exercise 1 instructions.
Prepared exercise 1.
User exists done and first cut of the create user endpoint.
Moved SpringApplication to the web layer to ease the debugging in IDEs.
Merge branch 'spring-exercise1' into spring-exercise2
Fully implemented exercise 1.
Added a hint for LocalDate conversation with Jackson.
Merge remote-tracking branch 'origin/spring-exercise1' into spring-exercise1

Conflicts:
	README.md
Removed unused import
Replaced email address with an anonymized version.
Added /api context path.
Merge remote-tracking branch 'origin/solution' into spring-exercise1

Conflicts:
	README.md
Added sample JSON payload for the user creation.
Added some more hints.
Merge branch 'spring-exercise1' into spring-exercise2
Changed request parameter email to username
Merge branch 'solution' into spring-exercise1
Merge branch 'solution' into spring-exercise2