Added Non-Member view.  Closes #15

Settled on `where(Entity.is_member == 0)` as `where(Entity.is_member is
False)` and `where(not Entity.is_member)` did not work.

Fixed flake8 error
Incorporated changes from @cmrn's comment

https://github.com/makehackvoid/mhvdb2/pull/39#issuecomment-46173141
Merge pull request #39 from jamiereid/table-of-entities

Added Non-Member view.  Closes #15
move tests into subdirectory and split into multiple files
Merge pull request #52 from brendam/split-tests-43

move tests into subdirectory and split into multiple files (fixes #43)
Added entity details page, with ability to edit/create (fix #13, fix #31)
Merge pull request #41 from cmrn/entity-page

Added entity details page, with ability to edit/create. thanks @cmrn
Fixed bug where a member with the same email as an entity could interfere with the entity
Added support for datatables (fixes #14)
Merge pull request #53 from cmrn/datatables

Added support for datatables (fixes #14)
Add description of unit tests locations and how to run mhvdb2 locally to contributing document
Merge pull request #54 from brendam/master

Add description of unit tests locations and how to run mhvdb2 locally
Added member edit/create page to admin area (closes #46)
Merge pull request #60 from cmrn/member-page

Added member edit/create page to admin area (closes #46)
Update README.md

Showing people how things work.
Update README.md