Basic contribution details

Adds a details pane for contribution records, similar to contributor
profiles.

Just the basic details for now. Can be extended with all kinds of
data, links, icons, etc. from here on.

package.json

@@ -42,6 +42,7 @@
     "ember-cli-htmlbars": "^3.0.0",
     "ember-cli-htmlbars-inline-precompile": "^1.0.3",
     "ember-cli-inject-live-reload": "^1.8.2",
+    "ember-cli-moment-shim": "^3.7.1",
     "ember-cli-sass": "^7.2.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-template-lint": "^1.0.0-beta.1",
@@ -52,6 +53,7 @@
     "ember-load-initializers": "^1.1.0",
     "ember-macro-helpers": "0.17.0",
     "ember-maybe-import-regenerator": "^0.1.6",
+    "ember-moment": "^7.8.1",
     "ember-promise-helpers": "1.0.6",
     "ember-qunit": "^3.4.1",
     "ember-resolver": "^5.0.1",