Selectable items in SnippetBrowser.
Loading Snippet in a new tab on selection in SnippetBrowser.
Setting the content of a Snippet. Maybe just a workaround.
Refactor ObjectManager.
Add new DockWidget for showing snippet properties.
Show Snippet in existing tab, if it is already opened.
Show Snippet properties, if tab has changed.
Merge branch 'snippet-propertyview' into selection
Merge branch 'selection' into develop