Fix promise logging
Closes # 176 promises do not swallow exceptions
Merge branch 'master' of github.com:eonarheim/Excalibur into dev-erik
Update tsc in package.json to fix build
Add a reference path for Logger
WIP Lots of documentation completed, yui template included
WIP More documentation completed
Merge master
#130 Completed documentation to 0.1.5
Merge pull request #187 from eonarheim/dev-josh

Dev josh
Close #130 Finish up documentation formatting
Merge branch 'master' of github.com:eonarheim/Excalibur into dev-erik
Comment out console log in camera
Fix yuidoc in package.json
Merge pull request #188 from eonarheim/dev-erik

Merge Yui Documentation into master
Close #186 GameEvents are documented and event targets are exposed
Close #138 Reset time elapsed if paused for a long time
Merge pull request #197 from eonarheim/dev-erik

Merge event targets and pausing engine bug fix
Close #193 Added circular spawn for emitter, updated particle tester
Updated theme.json for event docs