* helm-utils.el (helm-files-match-only-basename): Issue #310 New match function that allow adding a -b flag at end of pattern. * helm-files.el (helm-source-recentf, helm-source-files-in-current-dir): Use it.
* helm-locate.el (helm-locate-pattern-transformer): New, pattern transformer for locate.
(helm-source-locate): Use it, avoid failing miserably when user enter multiple patterns,
though it will fail to match with inversed pattern, but without error.