carbon-design-system/carbon v7.2.1 on GitHub

a11y: focus on modal with show() API call (#2343) (a9748926, closes #2342)
build:
- remove external-helpers (#2462) (5f6a46a2)
- write sourcemaps to an external file (#2459) (4b8d64ce)
- commonjs fix, put html files into the distribution (#2452) (f2763113)
components: fixed accessibility issues (8960eca8)
demo: remove redundant end script tag (#2429) (adee82d4)
icons: update xlink:href to use carbon-icons (#2451) (85cabc49)
index:
- change comment (305c685a)
- export CopyButton (c6c80f42)
javascript: move away from scrollY IE doesn't support (#2428) (ba93ed61)
modal: fix wrong launchingElement when user clicks on close button (#2423) (28d3e318)
module: rename to singular, fix visual bugs (#2436) (e17fd755)
release: remove most of the outdated docs and github.ibm.com references (#2465) (a4685a13)
search: added search role (e894c098)
select: added --no-label class to fix icon position (#2353) (95ec16ab)
tabs: Update tab content text (#2461) (70dcbebd)
test-a11y: fix out-of-sync built CSS path (#2445) (c164d9ca)
text: label and text-input 10px apart & add helvetica (#2349) (8af6a0ae)
toggle: readme typo fix (4c80a8e9)
tooltip: readme typo fix (e67dabfe)
travis: sync karma.conf.js with interior-left-nav rename (#2444) (a050bb0c)