updating ADL Node xAPI package name xapiwrapper-node -> adl-xapiwrapper
Fixing typo
Translation of the Sandbox UI to Spanish
big improvement to private message GUI
Merge pull request #104 from imartinezortiz/spanish-translation

Spanish translation of the Sandbox UI and minor typo fixed
Merge pull request #103 from imartinezortiz/adl-xapiwrapper

updating ADL Node xAPI package name xapiwrapper-node -> adl-xapiwrapper in development branch
broke up the server into a few modules
more work on chat GUI. Much cleaner now
more work on chat GUI. Can now scroll w mouse wheel, audio notification
Merge branch 'development' of https://github.com/NikolaySuslov/Sandbox into development