SiliconDust HDHomeRun HDHR4-2US Firmware

Fixes:

- HDHR4/TC/CC/DC models: Support Kodi add-on.
- HDHR4/TC/CC/DC models: Fix problem where UPnP channel list or guide data could be truncated in some situations.
- HDHR4/TC/CC/DC models: Improvements to diagnostic logging.
- HDHR3-US/DT/EU models: Fix reboot when DNS returns multiple IP addresses.
- CC models: Eliminate CGMS-triggered DRM. Please run a channel scan on the device or through HDHomeRun Setup after upgrading.
- DC models: Improvements to repairing streams from YouSee cable.
- TC models: Improvements to power management.