Auto merge of servo#258 - dsherret:0_8_4, r=jdm

0.8.4

Would like to get servo#254

Merge pull request servo#253 from xfix/minimal-version-updates

Update dependencies to be compatbile with `cargo update -Z minimal-versions`

Auto merge of servo#247 - servo:jdm-patch-2, r=jdm

Publish 0.8.2.

None

Bump to 0.8.1

Don’t fail CI for warnings on the maintenance branch

Auto merge of servo#233 - servo:unique-atom-const-names, r=SimonSapin

Use unique const names in string_cache_codegen

Auto merge of servo#232 - servo:spring, r=nox

Spring cleaning

Yes, October is in autumn. This is overdue since the spring of a couple years ago.

Auto merge of servo#232 - servo:spring, r=nox

Spring cleaning

Yes, October is in autumn. This is overdue since the spring of a couple years ago.

Auto merge of servo#227 - servo:small-stack, r=nox

Fix initializing the global hash map with a small stack

Fix servo/html5ever#393

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Auto merge of servo#206 - mbrubeck:debug_unreachable, r=KiChjang

Switch to fork of debug_unreachable

Because the original debug_unreachable is abandoned and doesn't work correctly in modern Rust.

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