Add test for escaped params.to_json in Rails 3
Fix warning on `params.to_json`
Detect Rails 3 json escape config option
Move config tests to ConfigTests
Add Warning#warning_code
Add warning code and fingerprint to generated tests
Remove deprecated config locations
Merge pull request #309 from presidentbeef/to_json_false_positives

Fix `to_json` false positives
Merge pull request #310 from presidentbeef/remove_deprecated_config_locations

Remove deprecated config locations
Test for Model.id XSS false positive
Treat #id as safe
Oops, add _models.html.erb test file
Merge pull request #312 from presidentbeef/dont_warn_on_id

Don't warn on id calls
Merge branch 'presidentbeef-master' into noahd1-smoke