fix urls and strings pointers to localized getting started. sort languages.
Merge branch 'master' into jasonsanjose/fix-urls

Conflicts:
	src/nls/strings.js
	src/nls/urls.js
replace node fs-extra remove() with remoteTempDirectory()
remove slovak urls.js
Revert "remove slovak urls.js"

This reverts commit db82b527bce12973637c4f11b9b1fef2756c37d0.
remove slovak urls.js, really this time
add slovak locale name
Merge pull request #5038 from adobe/jasonsanjose/fix-urls

fix urls and strings pointers to localized getting started content
Use SpecRunnerUtils.deletePath() instead of removeTempDirectory
Merge pull request #5187 from adobe/jasonsanjose/extension-install-failure

replace node fs-extra remove() with removeTempDirectory()