Fixes #37 with other default locale than english

Test in error with french default Locale:
org.junit.ComparisonFailure: expected:<[ne peut pas être vide]> but was:<[may not be empty]>
	at org.junit.Assert.assertEquals(Assert.java:115)
	at org.junit.Assert.assertEquals(Assert.java:144)
	at org.springframework.samples.petclinic.model.ValidatorTests.emptyFirstName(ValidatorTests.java:39)
migrating to Spring 4.0.2
migrating to Hibernate 4.3.3.Final
upgraded version of SLF4J
Remove public to methods from the ClinicService 

Any method you define in an interface is by definition public
Merge pull request #38 from arey/master

Fixes #37 with other default locale than english
Merge branch 'master' of https://github.com/SpringSource/spring-petclinic
Merge pull request #39 from arey/patch-1

Remove public to methods from the ClinicService
Merge branch 'master' of https://github.com/SpringSource/spring-petclinic
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