Merge pull request #2 from mindweather/master

as per alex, "No need to schedule with Jules but we will limit to first ...
Merge pull request #3 from mindweather/master

adding the initial "interviewing at NBS" document.
Update invitation to exec meetings.md

dropped the unneeded s on options in "stock options grants"
Merge pull request #1 from nextbigsoundinc/master

adding company principles