(FR #1281) Include source metadata in queue messages

Deployment:
run ./bin/generate-version with or without a filename argument.
Include the generated version.php file from LocalSettings.php.

Change-Id: I85351af7207652901bb16ea2659a904dd143d00f

Conflicts:
	.gitignore
Rework version stamp code to align with the production method

Change-Id: I2c08a2a19a11a1069952e9f3387e5e629f4c5bfa

Conflicts:
	.gitignore