-   Update Changelog to reflect all changes since version 1.3.1.
-   Solve performance issues causing caffeine to use 100% CPU even when
    video is paused or stopped;
-   Fix DVB play on videos that use a separate PID for synchronism;
-   Fix some bugs at DVB pause logic, making it more reliable and
    making unpause to continue from the paused position;
-   Disable debug messages by default;
-   Remove a warning on some DVB streams when a program is not rated;
-   Improve notes about video output settings at README.md.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>