Bump version
Add payloadVersion
Add severities
Fix coffeescript syntax
Add "error" severity to requestHandler
Fix syntax issues
Add payloadVersion spec
Add notify severity spec
Pass "error" severity in the right places
Add autoNotify spec
Add "error" severity to restifyHandler & intercept
Merge pull request #21 from bugsnag/severity

Severity
Document severity
Configure filters
Changelog
Move to local storage
Tidy and test
Merge pull request #22 from bugsnag/local-storage

Move to local storage
Revert "Merge pull request #22 from bugsnag/local-storage"

This reverts commit a8e4c832f548002f91586f4a36f348850aae8c66, reversing
changes made to a1e646736851eb4f961d3f8ee39f65e36393fe07.
Don't crash on null error

This happens if you try and debug a stuck process using

    gdb> print 'v8::V8::TerminateExecution'(0)

from http://remysharp.com/2013/09/11/how-i-fixed-an-anonymous-infinite-loop-in-jsbin/