Merge pull request mozilla#3085 from mozilla/new-version-074

Bump VERSION to 0.7.4

Merge branch 'make-0.8-alpha.3' into r0.8

Merge pull request mozilla#3036 from lissyx/doc-fix

Install npm deps for ReadTheDocs

Merge pull request mozilla#3034 from lissyx/bump-v0.7.2

Bump VERSION to 0.7.2

Bump VERSION to 0.8.0-alpha.2

Retry tag group due to too many reruns

Merge pull request mozilla#3015 from mozilla/alpha-0.8a0

Bump VERSION to 0.8.0-alpha.0

Merge pull request mozilla#2990 from mozilla/release-071

Bump VERSION to 0.7.1

Merge pull request mozilla#2983 from mozilla/alpha-071a2

Bump VERSION to 0.7.1-alpha.2

Merge pull request mozilla#2971 from mozilla/bump-0.7.1a1

Bump VERSION to 0.7.1-alpha.1