superres: a few bugfixes. still sucks.
Filter when tryping in the entry and the view is in folders mode

Properly filter the tree, and don't hide matching childs because
the parent node doesn't match and is hidden.
Reducing the times changed_callback function is called
Clarify code for each mode (folders/rest)
Sync
Merge branch 'master' into superres

Conflicts:
	src/control/jobs/control_jobs.h
denoise: bilateral with better sigma estimates.
adaptive delays for "value-changed" when moving gradientsliders
adaptive delays of "value-changed" also for bauhaus slider

+ small adaptation of delay limits in gradientsliders
noise profile support code.
Merge branch 'master' into blendif
adaptive delays in bauhaus sliders: fix for button release
Merge branch 'master' into blendif
imageio: one step ahead supporting non-bayer dng (still doesn't work though)
noise profiling: more tools.
Merge branch 'master' into blendif
noise profile: some histogram flattening.
usermanual: updates and enhancements mainly for color module group
opencl: change format and parsing of file "programs.conf"

This is a first step towards a principle change: away from
"all or nothing" to "take what you can get"
removed exec rights from po file.