refactor: create mock of orcid server & use this in e2e login test (using forked version of passport-orcid)

Texture

See merge request xpub/xpub-elife!53

test: select checkbox parent to avoid waiting for element to appear

See merge request !49

Currently loads data from dummy S3 bucket

build: only use hot loader babel plugin in development

See merge request !52

build: read required production config from the environment

See merge request !48

fix: remove duplicate styled-component dependency

See merge request !50

Otherwise the production build is broken

Also remove duplicate @pubsweet/ui although this was not as problematic

chore: update pubsweet-server to enable graphql

See merge request !47

47 reviewers backend

See merge request !46

re #47

feat: add editor for cover letter

See merge request !31

build: fix hot reloading

See merge request !41

build: allow test browser to be configured with environment var

See merge request !45

re #47

re #47

inject version and git commit hash into html as comment

See merge request !44

feat(submission): connect manuscript metadata page to the backend

See merge request xpub/xpub-elife!43

re #50

test(submission): add e2e test for saving to server

See merge request !42