commit 90d1db9037cc32d7d53ea950309d630a25981fb8
author Dave Borowitz <dborowitz@google.com> Sun Mar 16 14:16:15 2014 -0700
committer Dave Borowitz <dborowitz@google.com> Tue Mar 18 11:07:42 2014 -0700
tree c0a6b1c5e6f3c85cf47eb8ba6d13e3d495d63338
parent ee2d77c57e6106abb018a766828f0737b30196da

Support JSON view of commits in RevisionServlet

Example output:

$ curl 'http://localhost:8080/gitiles/+/1040ab8d5861e2804f725a936ca9b6f3be6f6239?format=JSON'
)]}'
{
  "commit": "1040ab8d5861e2804f725a936ca9b6f3be6f6239",
  "parents": [
    "0ad024fb5aa3e4994ede801428b4e30ba06a837d"
  ],
  "author": {
    "name": "Dave Borowitz",
    "email": "dborowitz@google.com",
    "time": "Sun Mar 16 13:49:37 2014 -0700"
  },
  "committer": {
    "name": "Dave Borowitz",
    "email": "dborowitz@google.com",
    "time": "Sun Mar 16 13:49:37 2014 -0700"
  },
  "message": "Use CommitData to produce CommitJsonData\n\nChange-Id: I7261b0c40e97119c32627c4ea89038bbe174925f\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "87f3456c40f24662d28411fda9b2cf05b82bf007",
      "old_mode": 33188,
      "old_path": "gitiles-servlet/src/main/java/com/google/gitiles/CommitJsonData.java",
      "new_id": "07fbd1e0eb753aa41dee53c758ced595f18f67bf",
      "new_mode": 33188,
      "new_path": "gitiles-servlet/src/main/java/com/google/gitiles/CommitJsonData.java"
    },
    {
      "type": "modify",
      "old_id": "aa6bd34861cf2f49abd357edff0b2f3ff354aa91",
      "old_mode": 33188,
      "old_path": "gitiles-servlet/src/main/java/com/google/gitiles/LogServlet.java",
      "new_id": "e6ae4c2062bfe3dfb6f059f282e90af64bbd10d3",
      "new_mode": 33188,
      "new_path": "gitiles-servlet/src/main/java/com/google/gitiles/LogServlet.java"
    }
  ]
}

Change-Id: I29b76ce331bd6876476e3ddd56f2f484450b7e87