#377 & 379 - Rename UseSupply/AddSupplier to StationeryUse/StationeryAdd
Some rspec fixes-1)drop_down-duplicate items,location-fixed comparison,staff attendance-validation fixed,asset_disposal& asset view,menu & aboutus(partial)
Merge pull request #223 from Nurhashimah/master

#377 & 379 - Rename UseSupply/AddSupplier to StationeryUse/StationeryAdd