Added error checking to adding data sets in DataSaver
User feedback for uploading in DW iOS
Merge remote-tracking branch 'upstream/master' into goat
Merge remote-tracking branch 'upstream/master' into goat
Added 512 of each icon to the ImageAssets folder
Changed all Android app launcher icons with the new icons in master.ai
Added link to bevel creation tool
Changed iOS Data Walk logo to new logo from master.ai
Merge pull request #833 from stowellm/goat

New logos, error checking to iOS DataSaver, user feedback for iOS DW uploading