DF-4293 added emission angle and emission angle variation timelines
Merge branch 'development' of https://github.com/dava/dava.framework into development
DF-4413 added allowDegrade flag to ParticleEffectSystem
[DF-581] convert tabs to spaces, trim right spaces.
Merge branch 'development' into action_component_stop
[DF-4401] Run action event widget prototype
[DF-4401] events dock window implementation