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/distros/spark/apps/sharing/manifest.webapp

@@ -0,0 +1,74 @@
+{
+  "name": "Sharing",
+  "description": "FxOS Sharing",
+  "type": "certified",
+  "launch_path": "/index.html",
+  "developer": {
+    "name": "The Gaia Team",
+    "url": "https://github.com/fxos/"
+  },
+  "permissions": {
+    "webapps-manage": {
+      "description": "For installing apps"
+    },
+    "device-storage:apps": {
+      "description": "For installing apps",
+      "access": "readwrite"
+    },
+    "device-storage:sdcard": {
+      "description": "For writing apps to storage",
+      "access": "readwrite"
+    },
+    "settings": {
+      "description": "For enabling/disabling broadcasting",
+      "access": "readwrite"
+    },
+    "tcp-socket": {
+      "description": "For connecting to other devices"
+    },
+    "udp-socket": {
+      "description": "For connecting to other devices"
+    },
+    "wifi-manage": {
+      "description": "For connecting to other devices to share apps"
+    },
+    "systemXHR": {
+      "description": "For getting data from connected devices"
+    },
+    "browser": {},
+    "desktop-notification": {
+      "description": "For sending achievements notifications to Gaia::System"
+    },
+    "wifi-manage": {
+      "description": "To check if the device is connected to a network"
+    },
+    "feature-detection": {
+      "description": "For dev mode pref"
+    },
+    "moz-extremely-unstable-and-will-change-webcomponents":{}
+  },
+  "icons": {
+    "84": "/icons/sharing_84.png",
+    "126": "/icons/sharing_126.png",
+    "142": "/icons/sharing_142.png",
+    "189": "/icons/sharing_189.png"
+  },
+  "activities": {
+    "share": {
+      "filters": {
+        "type": {
+          "required": true,
+          "value": "app"
+        }
+      },
+      "disposition": "inline",
+      "href": "/index.html?share"
+    }
+  },
+  "datastores-owned": {
+    "p2p_shares": {
+      "access": "readwrite",
+      "description": "A list of all apps, add-ons, and themes being shared."
+    }
+  }
+}