opc-ua/open62541: CDP's fork of the open62541 OPC UA stack (https://github.com/open62541/open62541) @ 0c8e6dc6e3af067e8915448466b1d9f53fa21ccb

Stefan Profanter e4fbcbed5d CI: Remove VS2015 from Appveyor builds to save build time		6 lat temu
..
build.ps1	e4fbcbed5d CI: Remove VS2015 from Appveyor builds to save build time	6 lat temu
install.ps1	9e4eed375a add vs2017 build to AppVeyor (#2248)	6 lat temu