* stable-2.16:
SiteProgram: Normalize site path
ScheduleConfig: Explicitly log when interval or initial delay value is invalid
ScheduleConfig: Log at severe when startTime or interval cannot be parsed
Clarify that schedule config's startTime hour must be zero-padded
ScheduleConfigTest: Extend tests for schedule interval
Highlight "starlark" as python
Change-Id: I5edde38092cbd66c6a45e8bd39b318c99dcb6341
2c41a9c665