Updated installation instructions taking into account config.json
Changed node.js install from optional to if not already installed
updating ADL Node xAPI package name xapiwrapper-node -> adl-xapiwrapper
routing for index.html, message bus for managers
redirect when dir name does not end with slash
Small thumbnails now scale up on world landing page
Merge remote-tracking branch 'origin/development' into development
Added margin: auto to previous for compatibility
add used materials to map picker
Merge branch 'development' of https://github.com/adlnet/Sandbox into development
fix bug in autocomplete, allow behaviors on scene
Merge pull request #101 from imartinezortiz/adl-xapiwrapper

updating ADL Node xAPI package name xapiwrapper-node -> adl-xapiwrapper
make the rotation type in work again, some protections on the parent tool to prevent incorrect cases
updating ADL Node xAPI package name xapiwrapper-node -> adl-xapiwrapper
Fixing typo
Translation of the Sandbox UI to Spanish
Merge remote-tracking branch 'origin/master' into v0.4.8_candidate
show remote user selections, ctrl-s to save now, remove rtt from renderer when material deleted
 copy and paste for materials and layers
first work on trigger behavior, spot angle setting