Upgrade devDependencies

[stefanpenner]

Some custodial work, prior to continuing work on @rwjblue's open PRs.

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This PR also appears to pass ember's test-suite when linked via

diff --git a/package.json b/package.json
index fd01de7a8..a81dd2b39 100644
--- a/package.json
+++ b/package.json
@@ -137,7 +137,7 @@
     "rollup-plugin-commonjs": "^9.3.4",
     "rollup-plugin-node-resolve": "^4.2.4",
     "route-recognizer": "^0.3.4",
-    "router_js": "^7.1.1",
+    "router_js": "link:/Users/spenner/src/tildeio/router.js/",
     "rsvp": "^4.8.5",
     "serve-static": "^1.14.1",
     "simple-dom": "^1.4.0",

---

Intent is to squash before merge

[stefanpenner]

this T seem unused? What am i missing...

[stefanpenner]

I've tested this ember.js, locally. This seems to be perfectly fine. If there is an issue, I will gladly revert + fix. Please let me know.