Update dependency tslint to version 4.5.1

[renovate-bot]

This Pull Request updates dependency tslint from version 4.4.2 to 4.5.1

Changelog

4.5.1 / 2017-02-28

• Prepare release v4.5.1 (#2274)
• Add "ban-types" to `tslint:latest`. (#2271)
• `object-literal-key-quotes` flags negative number as not needing quotes (#2272)
• Update docs (#2259)
  • sync with changes made to gh-pages branch
  • Update release notes to note AbstractWalker
• Fix typo in custom rule dev docs (#2261)

4.5.0 / 2017-02-27

• Prepare for v4.5.0 (#2258)
• Un-deprecate no-unused-variable rule (#2256)
• completed-docs: Handle undefined symbol (#2230)
• Use 4-space indentation in vscode settings.json
• Update vscode settings (#2250)
• Remove Eclipse settings file (#2246)
• Upgrade to typescript 2.2.1 (#2254)
• Fix no-consecutive-blank-lines (#2239)
  Correctly apply fixes at EOF.
  Fix tests.
  Simplify collecting consecutive blank lines.
• fix lint error