Fix relative VST paths on Windows
ProjectJournal: cap the number of undo states to prevent infinite memory buildup
The cap is hardcoded to 100 for now, TODO: make this number configurable (or even better: use a max. memory amount instead of max number of states)
Merge pull request #966 from diizy/stable-1.1

ProjectJournal: cap the number of undo states to prevent infinite memory...
Merge pull request #969 from tresf/patch-1

Fix relative VST paths on Windows
Sanitize master output
Replace any inf/nan in master output with zero, to prevent corrupted files/audio.
Merge pull request #986 from diizy/stable-1.1

Sanitize master output
Merge branch 'stable-1.1'

Conflicts:
	include/MixHelpers.h
	src/core/FxMixer.cpp