Publish Vulpes Preview 15 sources for desktop, Android and Tundra

Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.

gaia/apps/pdfjs/manifest.webapp

@@ -0,0 +1,48 @@
+{
+  "name": "PDF Viewer",
+  "description": "Portable Document Format (PDF) Viewer",
+  "type": "certified",
+  "role": "system",
+  "developer": {
+    "name": "The pdf.js Team",
+    "url": "https://github.com/mozilla/pdf.js"
+  },
+  "locales": {
+    "en-US": {
+      "name": "PDF Viewer",
+      "description": "Portable Document Format (PDF) Viewer"
+    },
+    "fr": {
+      "name": "Lecteur PDF",
+      "description": "Lecteur PDF (Portable Document Format)"
+    }
+  },
+  "default_locale": "en-US",
+  "icons": {
+    "48": "/icon.png",
+    "64": "/icon64.png"
+  },
+  "orientation": "default",
+  "activities": {
+    "open": {
+      "filters": {
+        "type": "application/pdf"
+      },
+      "disposition": "inline",
+      "href": "/content/web/viewer.html",
+      "returnValue": true
+    },
+    "view": {
+      "filters": {
+        "type": "application/pdf"
+      },
+      "disposition": "inline",
+      "href": "/content/web/viewer.html",
+      "returnValue": true
+    }
+  },
+  "permissions": {
+    "systemXHR": {},
+    "moz-extremely-unstable-and-will-change-webcomponents": {}
+  }
+}