Fix hidden pattern references#509

Merged

bmuenzenmeyer merged 12 commits intodevfrom

fix-hidden-pattern-references

Oct 11, 2016

Commits on Oct 5, 2016

add test cases
geoffp
committed
unit tests to confirm correct functioning of hidden mustache templates; unit test to confirm bug in hbs engine; factor out fakePatternLab() into a new module, test_utils.js
geoffp
committed

Commits on Oct 8, 2016