* Updated to GENie 1181.
* Applied local fix for GENie resource include directory bug, sent upstream as bkaradzic/GENie#572.
* Set MSVC flags to use conformant preprocessor, standards conformance mode, and assume UTF-8 encoding.
* Synced with GENie upstream revision e78d6c1
* Add Visual Studio 2019 support
* Fix hardcoded -m64
* Switch appveyor to Visual Studio 2019
* Fix genie being built as 32-bit
* MSVC build is known to be broken currently. Let it fail until all the known issues are fixed.
* Update the packages before building
* Build with 3 threads
Appveyor VMs have only 2 cores and 8 GB RAM.
* Enable caching of pacman cache
