Change to https.
Fixed link to getting started page.
Updated Building Grommet (markdown)
Revert 3f1a2e0be7945a7aa6dd433e84fc9138021e6839...098d6d2c9caf1eca0e36ffaa4b91763d25334643 on Building Grommet
Revert cac8045551675d3e1cf4f05976457c96ae75478d...3f1a2e0be7945a7aa6dd433e84fc9138021e6839
linking local grommet build in developing application
Removing website section from Grommet docs.
Adding the mandatory npm install step in docs folder for first time users.
Tests documentation updated for using gulp-jsx-coverage.
Added command to install gulp.
adding npm install as part of the steps
Moved contributions content to a separate section
Shortened title and completed an editorial pass.