removes angular web app from sln
Removes desktop media uploader - not used anymore AFAIK
Merge branch '7.1.5' of https://github.com/henrikrossen/Umbraco-CMS into henrikrossen-7.1.5
Merge branch '7.2.0' of https://github.com/umbraco/Umbraco-CMS into 7.2.0