Log scales finalized
Remove unneeded function
Logscale: Fix negative ranges
This fixes errors that happen on models that have both logarithmic scale and a range that goes to the negative.
when using gcc-4.8.2, desactivate -Werror due to a regression
Merge pull request #875 from diizy/logs

Logscale models: fix all issues and finalize the implementation
Merge branch 'stable-1.1'

Conflicts:
	src/core/AutomatableModel.cpp