Refactor Code
Renamed properties because of reserved keywords in mysql
Added a standard value column
Added table to edit settings
Added confirmation dialog when open the settings tab
Merge pull request #638 from jidel/issue#563-settings_rebase

Issue#563 Settingstabelle
fix NPE
Merge pull request #640 from davherrmann/issue#567

fix NPE
Merge pull request #641 from HumBuch/develop

release version 1.1.2