Fix clobbering CFLAGS from environment.
fix ambiguous call on some compilers (Apple GCC 4.2)
Select0r: Endian proofing
Select0r: Double mapping of list parameters
Select0r: Add Slope mode and parameter
Select0r: Remove double mapping of list parameters
host_param_test: fix string parameter
Select0r: use uint8_t
Add keyspillm0pup source
Remove leftover printf
Simple timeout filter added.

The time parameter is assumed to be interpolated by the host
from 0 to 1 to e.g. indicate how much time is left in a presentation
(if you, like I do, abuse video as slides).
add ability to disable gavl and opencv in cmake
Add timeout filter to automake build.
fix compiler warnings
Add Posterize filter
Add Dither filter
Add Spillsupress filter
Add Emboss filter
Fixed double parameters to use input range 0.0-1.0
Add new filters from Janne Liljeblad to build.