Percent encoded URLs not handled correctly

[cronosun]

Note: Similar to the fixed bug #29

Intro

• PUTing to an URL with percent encoding and then GETing that resource works (no problem here).
• But when the collection is listed (or expanded), the percent encoding is not respected (internal info: PUTing to hello%20world creates a redis key called 'hello%world' instead of 'hello world').
• Why should it be respected? Percent-encoding is a HTTP feature and protocol details should not intrude into the rest storage (to communication with rest storage we use the vertx event bus).

Reproduction (preparation)

Note: I use putty to make sure nobody touches the HTTP url (does no further encoding).

Put this:

PUT /nemo/tests/mytest25/hello%20world HTTP/1.1
Host: nemotest.pnet.ch:7012
Content-Type: application/json
Cache-Control: no-cache

{"hello" : "woelsd" }

And put this:

PUT /nemo/tests/mytest25/sub/hello%20world HTTP/1.1
Host: nemotest.pnet.ch:7012
Content-Type: application/json
Cache-Control: no-cache

{"hello" : "woelsd" }

Result

GET expand=1

Perform a GET on http://nemotest.pnet.ch:7012/nemo/tests/mytest25?expand=1

Actual:

{
  "mytest25": {
    "sub": [
      "hello%20world"
    ],
    "hello%20world": {
      "hello": "woelsd"
    }
  }
}

Expected

{
  "mytest25": {
    "sub": [
      "hello world"
    ],
    "hello world": {
      "hello": "woelsd"
    }
  }
}

Collect

Perform a GET on http://nemotest.pnet.ch:7012/nemo/tests/mytest25

Actual:

{
  "mytest25": [
    "sub/",
    "hello%20world"
  ]
}

Expected:

{
  "mytest25": [
    "sub/",
    "hello world"
  ]
}

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