Flatten out v1 and v2_alpha directories

As a side effect, I got rid of all of the horrible symlinks and just put
in all of the proper relative paths. Because the horrible symlinks were
horrible.

event-schemas/examples/m.call.answer

@@ -0,0 +1,17 @@
+{
+  "age": 242352,
+  "content": {
+    "version" : 0,
+    "call_id": "12345",
+    "lifetime": 60000,
+    "answer": {
+      "type" : "answer",
+      "sdp" : "v=0\r\no=- 6584580628695956864 2 IN IP4 127.0.0.1[...]"
+    }
+  },
+  "origin_server_ts": 1431961217939,
+  "event_id": "$WLGTSEFSEF:localhost",
+  "type": "m.call.answer",
+  "room_id": "!Cuyf34gef24t:localhost",
+  "user_id": "@example:localhost"
+}