* added cmake parameters for sccache
* added sccache
* removed stray debug output
* starting sccache with VS environment
* added container for Visual Studio 2019
* fixed comments
* considering WIndows version
* updated to vs2019
* using MS install method
* snapshot of VS2019 experiments
* using --installRecommended
* cleanup of dockerfile
* updated path
* fixed dockerfile
* dumped version number
* exclude for virus scan
* added testing option
this does not start the agent
* write results on failures
* added timeouts for pipelines
* moving master pipelines to python scripts
* added flang to automatic project selection
based on #159, this will enable flang for beta testers
* added persistent workspace for testing containers
* added secure delete function
* added better log message
* deleting read-only files
* checking existence before setting flags
* using unlink
* deleting recursively
* using pathlib for chmod
* using custom workspace
* fixed drive
* separate handling of single files
* simplified read-only handling again
* removed vsdevcmd calls
as it's already set in the docker Entrypoint
* renamed container folders
* windows version not needed any more
* bumped version number
* bumped version number
* script cleanup
* added cmake parameters for sccache
* added sccache
* starting sccache with VS environment
* added container for Visual Studio 2019
* fixed comments
* considering WIndows version
* updated to vs2019
* using MS install method
* snapshot of VS2019 experiments
* using --installRecommended
* cleanup of dockerfile
* updated path
* fixed dockerfile
* dumped version number
* removed vsdevcmd calls
as it's already set in the docker Entrypoint
* renamed container folders
* windows version not needed any more
* bumped version number
* bumped version number
* script cleanup
* removed sccache from vs2017
* making windows image configurable
* added versioning
* created windows BETA pipeline
* added Jenkins label for vs2019
