updated changelog to reflect configurable paths and styleguide move
updated changelog to reflect configurable paths and styleguide move

pattern-lab/patternlab-node,pattern-lab/patternengine-node-mustache,stevemartin/patternlab-node,pattern-lab/patternlab-node,heedfull/ClionaJoycePatterns,stevemartin/patternlab-node,geoffp/patternlab-node,pattern-lab/patternlab-node,heedfull/ClionaJoycePatterns,geoffp/patternlab-node,pattern-lab/patternlab-node