[INTERNAL] New Explored Padding Examples

Four new examples to explain the standard UI5 padding concept:
- sap.m.sample.ContainerNoPadding
- sap.m.sample.ContainerPadding
- sap.m.sample.ContainerResponsivePadding
- sap.m.sample.ContainerPaddingAndMargin

Change-Id: Ic7cb2f5e3989ebf8bfce387a033489eb4e7ca3e2
[FIX] MockServer: fix wrong escaping in batch request body

Change-Id: Icc9b5253622618c2b013b6ad8eba4c7e2311829f
Merge "[INTERNAL] New Explored Padding Examples"