Revert "Merge branch 'gh-pages' of https://github.com/craffel/mir_eval"

This reverts commit 50f08d9de4fa27e86ae50f0b6c9386262eeb5507, reversing
changes made to 8728c561167b6e8a93d02a33536a08ec32ae46fe.
Better readme
Error, not warn
Comment beat -> event
Resolves #87
Resolves #88
Should not go in the validator
printing both reference and estimated annotation
Using sorted globs here for #90
Using sorted glob for #90
Actual math mode formatting
Resolves #92
typo
Adding note for anaconda
Typo, also making actual code snippet
Adding ref info
Not just a collection of scripts...
Explicitly handle infinite SIR and silent sources for #91
Resolves #93
Merge branch 'master' of https://github.com/craffel/mir_eval