version set to v5.3-alpha2
NEW: added camera dynamic view mode (Immersive/Classic)
NOTE: this is a WIP, just placeholder code for now.
NEW: Added getPixelPosition to DisplayConfig and DisplayTileConfig
NEW: headless config
NEW: headless support (NullDisplaySystem)
Merge branch 'master' of https://github.com/uic-evl/omegalib
removed a few useless log messages