update frontend

jupyterhub_custom_config.yaml

static/components/font-awesome-4.7.0/HELP-US-OUT.txt

...mponents/font-awesome-4.7.0/fonts/fontawesome-webfont.eot

...mponents/font-awesome-4.7.0/fonts/fontawesome-webfont.svg

...onents/font-awesome-4.7.0/fonts/fontawesome-webfont.woff2

static/components/jquery/.editorconfig

static/components/jquery/.eslintignore

static/components/jquery/.eslintrc-browser.json

static/components/jquery/.eslintrc-node.json

static/components/jquery/.eslintrc.json

static/components/jquery/.gitattributes

static/components/jquery/.github/ISSUE_TEMPLATE.md

static/components/jquery/.github/PULL_REQUEST_TEMPLATE.md

static/components/jquery/.github/lock.yml

static/components/jquery/.gitignore

static/components/jquery/.mailmap

static/components/jquery/.npmignore

static/components/jquery/.npmrc

static/components/jquery/.travis.yml

static/components/jquery/AUTHORS.txt