Rename StrAsciiExt and OwnedStrAsciiExt usages
Merge pull request #41 from jdeseno/master

Rename StrAsciiExt and OwnedStrAsciiExt usages
fail -> panic
Merge pull request #44 from steveklabnik/master

fail -> panic
Merge https://github.com/servo/rust-url
Merge branch 'master' into escape-hash
resync test data

Note: one test is incorrect.  See
https://github.com/w3c/web-platform-tests/commit/dd6ed3157811ea7fb5f5b0c56c4c68b83a7f0928#commitcomment-8434540