[FIX] sap.m.FlexBox: Corrected width of VBoxes with explicit base size
[FIX] sap.m.FlexBox: Corrected width of VBoxes with explicit base size

Also commented out tests that fail in IE10 compatibility mode

Change-Id: I8b9f20489a280d8a6535e85529da522416759a88

cschuff/openui5,nzamani/openui5,cschuff/openui5,olirogers/openui5,SAP/openui5,SAP/openui5,SQCLabs/openui5,olirogers/openui5,nzamani/openui5,nzamani/openui5,cschuff/openui5,SAP/openui5,olirogers/openui5,SQCLabs/openui5,SAP/openui5,SQCLabs/openui5