Adding Users resource
Built inital Go structs based off of Intercom docs for User types
POST function for User_t.  Updated Event naming conventions
User submission working.  Might want to split out types for POST and GET version of User type
Updated README to reflect naming change of Event_t function
Closing HTTP objects. Adjusted NewUser func
Removed closing of request objects.  User GET call working
User DELETE call working
Updated README with creating user
Don't need time pkg
Merge pull request #2 from cbinsights/user

Implementation of Intercom's User API
Merge branch 'master' into company