Parse computed property names
Add grammar errors for computed property names
Add parser tests for computed properties
Emit for computed properties
Emit tests for computed properties
Syntax error for computed properties on method overloads
Update error codes
Checker refactor for FunctionLike and VariableOrProperty
Fix merge issues
Skip computed properties in the nav bar
Address feedback
Merge branch 'master' into computedProperties
Accept type baselines (will verify when computed properties are typechecked)
Merge pull request #1272 from Microsoft/computedProperties

Parsing and emit for computed properties