adding getGlobalX and getGlobalY back

returned from the void, forever changed
Merge pull request #211 from excaliburjs/dev-erik

Merge bower and npm configs, update particle tester, concat, simplified spritefonts
Merge branch 'master' of https://github.com/eonarheim/Excalibur into dev-josh
Merge pull request #208 from excaliburjs/dev-josh

adding getGlobalX and getGlobalY back
Merge in scene fix
Merge pull request #213 from excaliburjs/dev-erik

Merge fix for #210, and opacity effect fix
added opacity to actors

closes #102 add opacity option to actors
documentation for opacity on actors
Merge pull request #214 from excaliburjs/dev-josh

added opacity to actors
Added 'fade' action to Actors

closes #104 Add fade action to actors
Merge pull request #216 from excaliburjs/dev-josh

Added 'fade' action to Actors
Merge pull request #217 from excaliburjs/dev-erik

Merge #195 and #198
Close #177 Renamed and public may need to live off of camera