Bump version to 1.0
minor #498 Bump version to 1.0 (GrahamCampbell)

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

Discussion
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Bump version to 1.0

This is an alternative to #497 as suggested by @fabpot.

Commits
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1f7bb49 Bump version to 1.0
Merge branch 'master' of git://github.com/fabpot/PHP-CS-Fixer