CS-4863: Added missing getters and setters
CS-4863: Added getter and setter
Merge pull request #442 from takeit/stablemaster

menu fix
CS-4863: Removed unneeded properties and replaced them with calls to linked entities

- Replaced issueId and sectionId by issue and section entities. Methods for
  checking issueId and sectionId still available but refer to entities.
- Replace setters for issueId and sectionId by setters for issue and session
  entities. Renamed methods.
- Fixed some minor method naming issues and returning self for setters.
WOBS-2931: Added repository for issues

Within repository a method is available to get the latest published issue for a
publication.
CS-4863: Added 'findByRFC3066bis' method to language repository
CS-4863: Adds getter and setter for ID and changes toString method

Also adds getNameAndLanguage method, which is used by toString method.
CS-4870: Fixes check for is_null on variable that is array

Null was the initial value, but gets overwritten on construction of the object.
Then the NULL state is represented by an empty Array, according to that, the
check is changed.
Merge pull request #443 from m038/CS-4870

CS-4870: Fixes check for is_null on variable that is array
CS-4863: Enforces psr standards
CS-4863: Fixes error in Doctrine mapping
Merge pull request #445 from m038/CS-4863

Cs 4863
CS-4867: Upgrades the Smarty Cache Resource to the new Smarty 3.1 method
Introduces a setter for the CampsiteVector so it can be updated from withing render()
Modifies the CampURI to include getters and setters for the cacheLifetime, deprecating the need to place it inside the Smarty object
Merge pull request #444 from takeit/stablemaster

bootstrap fix to fit plugins
Merge pull request #446 from terwey/CS-4867

CS-4867: Upgrades the Smarty Cache Resource to the new Smarty 3.1 method
CS-4873: Fixes error thrown when $translator variable is used in GetURI() method.
CS-4873: Removes debugging code, which was in previous commit
Merge pull request #447 from m038/CS-4873

CS-4873: Fixes error thrown when $translator variable is used in GetURI(...