Invalid json in example .json files.

[johnspurlock]

For example 'initial/compatibility_classic_13995.json' seems to contains two json objects separated by text content. The .json file extension is misleading in this case.

Here is an example of the invalid text content:
https://github.com/twitterdev/tweet-updates/blob/master/samples/initial/compatibility_classic_13995.json#L170

[paulrizzo]

@johnspurlock I have seen several typo's as well.. One I submitted for PR is here #2