[INTERNAL] LibraryInfo: relative URL calculation for themelibs 
[INTERNAL] LibraryInfo: relative URL calculation for themelibs 

Change-Id: Icb27f761d5e81782c66bbc9b23eaf76224bcbc09

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