1.7 stuff

The master branch was reverted to 1.7 because it was very unstable (bugs and stuff that wasn't mentioned on the documentation page yet) - features will come back with 2.0

- fixed debug window
- fixed flexbox not sending drag events to it's children

- small docs updates for 1.7
- removed the examples because the are outdated

docs/objects/Container/setImportant.md

@@ -6,7 +6,7 @@ Sets the specified object as "important" within the container. This means the ob
 
 ### Parameters
 
-1. `string` The object to set as important
+1. `string|object` The object ID or object to set as important
 
 ### Returns
 

docs/objects/Container/updateZIndex.md

@@ -1,4 +1,4 @@
-## setFocusedObject
+## updateZIndex
 
 ### Description