[FIX] sap.m.Panel height and expanded properties

Move the check whether the control is expandable
before changing the expanded property.

Change-Id: I0c8ae428b5cccfc69fa4232e22203b724590e389
[INTERNAL][FIX] sap.m.DateTimeInput: Fixed outlines of selected date.

Change-Id: I9f800a58a8412b2c4ef14263675df960bc836c88
[INTERNAL] v2.ODataModel: change default behaviour for TwoWay changes

- add default deferred batchGroup "changes" 
- TwoWay changes of all EntityTypes ("*") will be collected
in this group

Change-Id: I15b0bb4944575d35339ddda7e5a1328ce9cef81d
[INTERNAL] commons.ComboBox: New Test Page

- Forgot to add a proper example for change
https://git.wdf.sap.corp:8080/#/q/Ie642822c6ba2f4d857499f301116551ba7814b80,n,z

Change-Id: I98acf1780ff3422a64f67974c9874ffa366fedcd
Merge "[INTERNAL][FIX] sap.m.DateTimeInput: Fixed outlines of selected date."
Merge "[FIX] sap.m.Panel height and expanded properties"
Merge "[INTERNAL] v2.ODataModel: change default behaviour for TwoWay changes"
Merge "[INTERNAL] commons.ComboBox: New Test Page"