Removed EffectButtonParameterSlot::onChainParameterChanged()
It does not work to connect buttons to the superkob
Moved LinkType to EffectParameterSlot
it is not required for button parameters
Removed setting Super knob during effect load causes Bug #1359963
Added separate control for _link_inverse
Removed unused getLinkType and removed slotLinkType, instead use the COs directly
removed m_linkType from EffectParameter class
renamend EffectParameter::getLinkHint() because it does not store the current linkType anymore
Added Link types for left and right half of the super knob, Bug #1334190
Added neutralHint to effect parameter manifest
Enable soft takover if connection type has changed
Added some neutralHints to effect parameters
Added Default connection type for connectValueChangeRequest()
Handled LINK_INVERSE via neutralHint(). Do not allow split mode for buttons already in split mode. Center neutral Position to center of super knob.
Added new Link Type buttons to shade skin
Added first basic SuperLinkTest
The neutralposition must no be changed by the invert CO
link test works as desired
Merge remote-tracking branch 'upstream/master' into link_fix

Conflicts:
	src/effects/effectparameterslot.cpp
Fixed early return in ControlLogPotmeterBehavior
Fixed behaviour selection, a regression due to merging issue.