-added webpage deploymnet stage
-added separate build stage which build all binaries and generate documentation
-added Emscripten build stage for merge to master only
-added VBO batch rendering (current default, no render mode switch yet)
-fixed camera positioning calculation
-fixed buffer issue with WebGL
-added viewport scalling (at least 300 pixels height). Pixels are scalled if screen is bigger.
-center demos gameplay area
-added fullpage html template for Emscripten build
-removed some unused code
-fixed bug with struct destructors (Mallocator called __dtor instead of __xdtor)
-added unittests for events
-addded _d_eh_personality null implementation as LDC betterC bug workaround
*updated build scripts
*removed tls variables from code (needed to support WebAssembly)
*some mmutils tweaks
*some fixes
*pthread TLS thread ID implementation
-added Atomic file (reimplementation of atomics templates for emscripten)
-added emscripten support to ecs.std
*replaced array[..] = array[ .. ] sclice copy with mempcy
*added own std library (allocator, alloca, Mutex)
*changed tamplates for collecting components for systems
-fixed issue with multiple optional components registering for system