Merge branch 'release/v2.8' into develop
Updating read me to make security issues more clear.
Updating "requires" WordPress version.
Fixed typo

New Hampsire -> New Hampshire
Fixed serialized array

Added char to serialized array for typo fix
Fixing a bug with notifications and forms on the second page.
Merge branch 'develop' of https://github.com/wpninjas/ninja-forms into develop
Fixed a bug with notification redirects that could cause them to become unremovable.
Fixed a bug that could cause user emails to be sent even if a user notification wasn't added.
Fixed a bug that could cause user emails to be sent even if a user notification wasn't added.
Updating to version 2.8.1.
Merge branch 'release/v2.8.1'