v5.1.0

• [new-rule] no-invalid-template-strings (#2332)
• [new-rule] no-sparse-arrays (#2407)
• [new-rule-option] no-void-expression: adds ignore-arrow-function-shorthand (#2445)
• [api] tslint:all configuration (#2417)
• [bugfix] In tslint:recommended move no-reference-import from jsRules to rules (#2441)
• [bugfix] no-unnecessary-callback-wrapper: only check if callback is identifier, allow all other expressions (#2510)
• [bugfix] member-access: Skip index signature, it can not have an access modifier (#2437)
• [bugfix] restrict-plus-operands fixes regression where every assignment and comparison was checked (#2454)
• [bugfix] no-unnecessary-callback-wrapper: allow async wrapper function (#2510)
• [bugfix] prefer-for-of: No error if delete is used (#2458)
• [bugfix] radix: don't warn for missing radix on method calls (#2352)
• [bugfix] no-use-before-declare: Handle symbol with empty declarations list. (#2436)
• [bugfix] strict-type-predicates: Check for construct signatures in isFunction. (#2479)
• [enhancement] strict-boolean-expressions: When --strictNullChecks is turned off, allow-null-union and allow-undefined-union turn off "always truthy" errors. (#2373)
• [enhancement] radix: added check for global.parseInt and window.parseInt (#2352)
• [enhancement] arrow-return-shorthand: Improve failure message when return expression is an object literal (#2466)