do not reorder signatures from derived and base types
Scan octal literals
Add es5 directive on scanner es5 tests
Error on octal literals in ES5 and strict mode
Add test for octal literals in es3 strict mode
Handle sys.exit in perftc
adjust perftc to match the most recent implementation of createSourceFile
fix comment
Merge pull request #378 from Microsoft/inherited_overloads_with_specialized_signatures

do not reorder signatures from derived and base types
Address feedback
Added missing semicolons
Merge branch 'master' into octal
Simplify checking for octal literals in parser
Merge pull request #385 from Microsoft/octal

Disallow octal literals in strict mode and ES5
Merge pull request #395 from DickvdBrink/code-style

Added missing semicolons
Merge branch 'master' into tsc