Unify dependencies and devDependencies

We ship only built assets at the moment, with all dependencies directly
bundled, so all dependencies are now "development" dependencies -- i.e.
not required by those installing the `hypothesis` package.

package.json

@@ -6,7 +6,7 @@
   "homepage": "https://hypothes.is",
   "bugs": "https://github.com/hypothesis/client/issues",
   "repository": "hypothesis/client",
-  "dependencies": {
+  "devDependencies": {
     "angular": "~1.5.6",
     "angular-jwt": "0.0.9",
     "angular-mocks": "~1.5.6",
@@ -22,10 +22,13 @@
     "browserify": "^13.0.0",
     "browserify-ngannotate": "^1.0.1",
     "browserify-shim": "^3.8.12",
+    "chai": "^3.5.0",
+    "check-dependencies": "^0.12.0",
     "classnames": "^2.2.4",
     "coffeeify": "^1.0.0",
     "commander": "^2.9.0",
     "core-js": "^1.2.5",
+    "diff": "^2.2.2",
     "diff-match-patch": "^1.0.0",
     "document-base-uri": "^1.0.0",
     "dom-anchor-fragment": "^1.0.1",
@@ -49,20 +52,36 @@
     "is-equal-shallow": "^0.1.3",
     "jquery": "1.11.1",
     "js-polyfills": "^0.1.16",
+    "jscs": "^3.0.2",
+    "karma": "^0.13.22",
+    "karma-browserify": "^5.0.3",
+    "karma-chai": "^0.1.0",
+    "karma-mocha": "^0.2.2",
+    "karma-mocha-reporter": "^2.0.0",
+    "karma-phantomjs-launcher": "^0.2.3",
+    "karma-sinon": "^1.0.4",
     "lodash.debounce": "^4.0.3",
     "mkdirp": "^0.5.1",
+    "mocha": "^2.4.5",
     "ng-tags-input": "^3.1.1",
     "node-uuid": "^1.4.3",
+    "phantom-ownpropertynames": "^1.0.0",
+    "phantomjs": "^1.9.7",
     "postcss": "^5.0.6",
     "postcss-url": "^5.1.1",
+    "proxyquire": "^1.7.4",
+    "proxyquire-universal": "^1.0.8",
+    "proxyquireify": "^3.1.1",
     "query-string": "^3.0.1",
     "raf": "^3.1.0",
     "raven-js": "^2.0.2",
     "redux": "^3.5.2",
+    "request": "^2.71.0",
     "retry": "^0.8.0",
     "scroll-into-view": "^1.3.1",
     "seamless-immutable": "^6.0.1",
     "showdown": "^1.2.1",
+    "sinon": "^1.17.3",
     "stringify": "^5.1.0",
     "through2": "^2.0.1",
     "tiny-emitter": "^1.0.1",
@@ -70,31 +89,10 @@
     "unorm": "^1.3.3",
     "vinyl": "^1.1.1",
     "watchify": "^3.7.0",
+    "websocket": "^1.0.22",
     "whatwg-fetch": "^0.10.1",
     "zen-observable": "^0.2.1"
   },
-  "devDependencies": {
-    "chai": "^3.5.0",
-    "check-dependencies": "^0.12.0",
-    "diff": "^2.2.2",
-    "jscs": "^3.0.2",
-    "karma": "^0.13.22",
-    "karma-browserify": "^5.0.3",
-    "karma-chai": "^0.1.0",
-    "karma-mocha": "^0.2.2",
-    "karma-mocha-reporter": "^2.0.0",
-    "karma-phantomjs-launcher": "^0.2.3",
-    "karma-sinon": "^1.0.4",
-    "mocha": "^2.4.5",
-    "phantom-ownpropertynames": "^1.0.0",
-    "phantomjs": "^1.9.7",
-    "proxyquire": "^1.7.4",
-    "proxyquire-universal": "^1.0.8",
-    "proxyquireify": "^3.1.1",
-    "request": "^2.71.0",
-    "sinon": "^1.17.3",
-    "websocket": "^1.0.22"
-  },
   "browserify": {
     "transform": [
       "browserify-ngannotate",