Dualfilter updates, add double precision versions of LMMS constants
Strip denormals
Add denormals stripping to the main thread as well as workerthreads

Conflicts:

	src/core/main.cpp
Dynamics processor improvements
Merge pull request #1311 from diizy/stable-1.1

Upgrades to plugins
Logscale: enabled toggling of knob scale in context menu
Merge pull request #1312 from diizy/stable-1.1

Logscale: enabled toggling of knob scale in context menu
Merge branch 'stable-1.1'

Conflicts:
	src/core/main.cpp