[INTERNAL] sap.m.Select: move some CSS styles to sap.m.SelectList

Change-Id: I892e5acd5cbc067251fccd6f6f9ce4ffb7a521a5
Merge "[INTERNAL] sap.m.Select: move some CSS styles to sap.m.SelectList"
[FIX] ShellHeader: added missing dependency to the library

Change-Id: I555c8f0b5f31081a2288ba5c9bb22038a1b77129