fix(package): update @robotlegsjs/signals to version 0.0.7

Closes #7

Author: greenkeeper[bot]

package.json

@@ -36,7 +36,7 @@
   "homepage": "https://github.com/RobotlegsJS/RobotlegsJS-SignalCommandMap#readme",
   "dependencies": {
     "@robotlegsjs/core": "^0.0.3",
-    "@robotlegsjs/signals": "^0.0.5"
+    "@robotlegsjs/signals": "^0.0.7"
   },
   "devDependencies": {
     "@types/bluebird": "^3.5.8",