Fix change saturation color zone on click in hue zone when color is grayscale …

[sergeir82]

Description

Fix change saturation color zone on click in hue zone when color is grayscale, black or white.
Issue #203

Check list

• [+] The dist files have been regenerated with npm run build and committed in this PR.
• New tests have been added or modified for the introduced changes.
• New examples have been added for the newly introduced features.
• [+] All tests are green after running npm test.
• [+] All examples are still working at least in latest Chrome and Firefox.
• [+] This PR follows all other CONTRIBUTING.md guidelines for Pull Requests.

[sergeir82]

It seems to me, last travis script checks that dist and index.html not change after grunt run and git diff must be without HEAD~1 :
if ! git diff --name-only --quiet -- dist docs src index.html --; then echo \"Files where modified after grunt execution!!...\"; exit 1; fi

[itsjavi]

Thank you! I will check what's the issue with Travis and release your fix ASAP