added EventSchema and related packages

[JuliaKoe]

Only a few lines of code. Have to get used to the new (1.3, etc.) structure. Please let me know if that's the right direction.

[sakulstra]

@JuliaKoe thanks for your contribution.
Yeah thats the right direction ;)

There are some things to note:

1. Your master where this brnach is based on is behind the current master - so it won't be possible to easily merge them(keyword "rebase", and "keeping fork up to date").
2. You could add some comments to the schema

[JuliaKoe]

I did these:
git checkout -b JuliaKoe-master master
git pull https://github.com/JuliaKoe/meteor_mentor.git master

and it says "already up to date"

What do I do?

[sakulstra]

https://help.github.com/articles/syncing-a-fork/#platform-linux - perhaps you have to add remote upstream first. If i find some time I write a short guide about this