Installer - Correct error message when attempting to install on Platf…

…orm 6.6 or earlier.

Ensure the installer will instal on Platform 7.

Add warning about running on Platform 7

Merge version changes from develop to master.

Merge develop branch in preparation for the next release.

Merge branch 'develop'

Revised update alert file

Update new version message.

Rotator - Add mandatory member tests in line with the revised IRotato…

…rV3 specification

Add support to test new ICameraV3 properties