Narrow paths being ignored by git

A leading slash is not required when there is one in the middle of the path but this way is more consistent.
merged branch frosas/patch-1 (PR #486)

This PR was merged into the master branch.

Commits
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11ca118 Narrow paths being ignored by git

Discussion
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Narrow paths being ignored by git

With current patterns paths like `web/vendor/bootstrap-2.2.2` are ignored.