Remove the dot `.` on the package name `Theme - itg.flat`

On https://github.com/wbond/package_control_channel/pull/2524 (Test against package names containing periods) was determinate that Sublime Text 3 cannot support package names within dot on their names. Then all the packages with dot `.` on their names should either be renamed without the dot, or marked as `Sublime Text 2` supported.

If after sometime, a pull request to `package_control_channel` removing the dot `.` on the package name is not sent, the package will be marked as supported by `Sublime Text 2` only. Currently the package is marked as supported by all versions of Sublime Text.

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> What steps do I need to take?

Just open a pull request on the package control channel renaming you package to a new name without a dot. On your case, the new change could be like this:
```json
{
"name": "Theme - itg flat",
"details": "https://github.com/itsthatguy/theme-itg-flat",
"previous_names": ["Theme - itg.flat"],
"releases": [
{
"sublime_text": "*",
"branch": "master"
}
]
},
```

By using the `previous_names` array, everybody who has installed your package will get their installed name renamed as soon as package control starts updating the packages.

Start with the referenced package_control_channel pull request to confirm the Sublime Text package-name restriction. Then open a pull request there using the proposed new name and previous_names entry; done means the package is renamed without the dot while existing installations can be updated.

Written by the indexing model from the issue text.