Merge pull request #321 from twbs/bump-semver

Bump semver to ^5.0.3

package.json

@@ -65,7 +65,7 @@
     "express": "^4.11.2",
     "glob": "^6.0.1",
     "morgan": "^1.5.1",
-    "semver": "^4.3.3",
+    "semver": "^5.0.3",
     "void-elements": "^2.0.1"
   },
   "main": "./src/bootlint.js",