Init script no longer executable.
Init and ext scripts no longer on the path.
Point master build to dev environment.
Update README to describe new database environment variables.
Improve language in README.
Remove test dependency on gvmVersion configuration.
Pre-initialise broadcast in tests.
Remove executable flag from init script in tests.
Replaced backticks with subshell commands.
Make use command compatible with offline modes. Remove obsolete online check.
Improve aeroplane mode step definitions.
Bolster tests for forced offline mode.