Merge pull request #26 from if045/IFJJV-107-IN-Repo,Hibernate/JPA-map-Profile,Users,Role

Add mapping-Profile,user,Role
Final Commit
fix annotation (delete @size) add nullable in unit
Merge pull request #37 from if045/IFJJV-123-YM-repo,JpaMapping,ProjectStructure

Final Commit
Merge pull request #38 from if045/SV-tech

fix annotation (delete @size) add nullable in unit
Fixed some mistake and wrong anotation(id) in Profile,Role,User and change anotation in Category, fixed service