[TASK] ADWD-1465 Confirm discarding unsaved changes

- Only enable save button if there are unsaved changes
- Create save button after page render, remove from templates
- Small code cleanups
[TASK] checking for double Kloster entry integrated
Merge pull request #145 from subugoe/DataImportController

[TASK] checking for double Kloster entry integrated
[BUGFIX] Fixes in FileGenerator
Merge pull request #142 from subugoe/confirmchanges

[TASK] ADWD-1465 Confirm discarding unsaved changes
[TASK] ADWD-1477 Set Timeout to one day
Merge pull request #146 from subugoe/1477

[TASK] ADWD-1477 Set Timeout to one day
[TASK] ADWD-1468 kloster solr update removed
[TASK] ADWD-1304 literatur selection from TYPO3 extension added
Merge branch 'klosterController' of github.com:subugoe/Subugoe.GermaniaSacra into klosterController

Conflicts:
	Classes/Subugoe/GermaniaSacra/Controller/KlosterController.php