Qt: info_panel, remove FPS reference and close #2113. This is not the interface's role to deal with it.

Thanks linkfanel for noticing it.

Colors are in RRGGBB format as stated in vlc_osd.h
int        i_outline_color;   /**< The color of the outline 0xRRGGBB */

 Seeking on a block boundary that is exactly the end of our already
cached data was incorrect.

Define the new sout_EncoderCreate in missing.c
Signed-off-by: Rémi Denis-Courmont <rdenis@simphalempin.com>
with little modifications