Backup client v1.01.00-dev.250

Channel: dev. Line 1.01: works with a control server on the same line.

Version	v1.01.00-dev.250
Channel	dev
Branch	v4_dev
Commit	5b4bc1de83f6c571f8c5f2d132837cb0ba29bac6
Build number	250

The MSI's ProductVersion is 1.1.0 (Windows Installer
compares numbers only); the full version is in InstalledVersion.
release.json is the manifest the control server verifies;
SHA256SUMS lists every file.