Add tests for multi statements in the same line

Conflicts:
	Symfony/CS/Tests/Fixer/IncludeFixerTest.php
updated IncludeFixer to use the new Tokens class

This makes it more robust and less error-prone
bug #385 Fix IncludeFixer to comply with the documentation and make it more robust (alquerci, sstok)

This PR was merged into the 0.5.x-dev branch.

Discussion
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Fix IncludeFixer to comply with the documentation and make it more robust

|Q            |A        |
|---          |---      |
|Bug Fix?     |yes      |
|New Feature? |n        |
|BC Breaks?   |n        |
|Deprecations?|n        |
|Tests Pass?  |yes      |
|Fixed Tickets|#204 #141|
|License      |MIT      |
|Doc PR       |         |

This replaces PR #204 and uses the new Tokens class.

One minor shortcoming is that `""` is no longer replaced with `''`, but this requires deeper knowledge of the string-value. And is more something for another fixer.

Commits
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309a10b updated IncludeFixer to use the new Tokens class
ace23f1 Add tests for multi statements in the same line