Add more nightly build configurations
Current builds:
- Windows 10; VS2013; VTK backend; Omni device ON; debug
- Windows 10; VS2013; VTK backend; Omni device ON; release
- Windows 10; VS2017; VTK backend; Omni device ON; debug
- Windows 10; VS2017; VTK backend; Omni device ON; release
- Ubuntu 16.04; GCC; VTK backend; Omni OFF; debug
- Ubuntu 16.04; GCC; VTK backend; Omni OFF; release
- Mac OS (latest); ninja; VTK backend; Omni OFF; release
- Mac OS (latest); ninja; VTK backend; Omni OFF; debug
Add more builds esp. for vulkan backend.
Edited by Sreekanth Arikatla