Added organization name and type to bootstrap.sh

Bootstrap script will now ask the user for the organization name and
type, and will write these values to group_vars to allow these values to
be accessed by ansible playbooks. These values are necessary for
anticipated functionality, such as the integration of attribute
resolver.
Added user prompts for organization name and type

Script will now display user prompts for the user to enter his preferred
values for organization name and type.
Merge branch 'develop' into feature/organization-name-and-type
Added validation of org_type

Function added which will validate user supplied org type.
Fixed miscellaneous minor issues with syntax

and error messages.
Merge pull request #89 from ausaccessfed/feature/organization-name-and-type

Added user prompts for organization name and type
Resolves #81