Track control flow contexts in the parser, and give errors for break, continue, return
Add errors for break and continue statements
Remove inModuleBody
Add consumption points and error reporting for labelled statement errors
Add tracking for labelled statements, and errors on labelled jumps
Add interface LabelledStatementInfo
Address feedback
Merge branch 'master' into labelledStatements

Conflicts:
	src/compiler/diagnosticInformationMap.generated.ts
	src/compiler/diagnosticMessages.json
	src/compiler/parser.ts
Merge pull request #215 from Microsoft/labelledStatements

Parser analysis and errors for labelled statements, break, continue, return