Bump lodash from 3.5.0 to 4.17.15

Bumps [lodash](https://github.com/lodash/lodash) from 3.5.0 to 4.17.15.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@3.5.0...4.17.15)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -19,7 +19,7 @@
     "grunt-sync": "~0.0.4",
     "include-all": "~0.1.3",
     "jade": "^1.8.2",
-    "lodash": "~3.5.0",
+    "lodash": "~4.17.15",
     "rc": "~0.5.0",
     "sails": "~0.10.5",
     "sails-disk": "~0.10.0",