added invitations call to Wastebits::Client for invitations
added .budle directory to gitignore
cleaned up duplication in overriding HTTParty methods
started on invitation model for api client
renamed `create` to `save` and made sure to pass access_token to the method
added method to resend an invitation if you are a company admin
added shared example to the invitation
added is_approver to api calls for invitation
added claim_url for invitation creation and resending
added api accessor for retrieving unclaimed invitation details
added missing access_token to complete the call
added Registration2 class to handle new user registration process
removed resend method for new registration process as API no longer accepts it
removed password_reset confirm method which we no longer need to support after introduction of invitations
updated to match changes on api server for password reset url
added note about possible issue if API request fails
fix invalid property access if api call fails
Merge branch 'master' into invitations
Merge pull request #4 from wastebits/invitations

user invitations