Modified classes Deal, DealStatus, Measurement with nulable, uniqe, length parameters and @NotNull annotation
fixed mapping in classes Deal, DealStatus, Measurement
Merge with remote branch
Merge pull request #24 from if045/IFJJV-112-SK-RepoHibernateJPAMapping

Modified classes Deal, DealStatus, Measurement with nulable, uniqe, leng...