* helm-files.el: Fix some long lines.
* helm-files.el (helm-ff-cache-add-file): New, use it in file sources.
* helm-source.el: Add action to type file.
* helm.el (helm-add-action-to-source-if): Fix doctring (#604).
* helm-source.el: Fix migemo docstring.
* helm-source.el: Fix long lines.
* helm-files.el (helm-read-file-map): Make available C-o again.
* helm.el (helm-add-action-to-source-if): Handle dups.
Fix autoloading helm-buffers-list
Merge pull request #640 from itiut/fix-autoloading-helm-buffers-list

Fix autoloading helm-buffers-list
* helm-files.el (helm-source-ffiles): New class to define helm-source-find-files.
* helm-source.el (helm-source-add-action-to-source-if): new.
Merge branch 'master' into exp
* helm-buffers.el (helm-buffer-file): New face (#641).
Merge branch 'exp'
* helm-files.el (heklm-source-ffiles): Add browse project action.
* helm-source.el (helm-setup-user-source): New method.
* helm.el (helm-follow-mode): Was broken, fix it.
Make it working with helm-follow-mode-persistent.
(helm-follow-execute-persistent-action-maybe): Same.
* helm-utils.el: Remove reset-yank-point from PA hook.
* helm.el (helm-copy-to-buffer): Don't add newline to last inserted (#645).
* helm.el: Revert previous change for (#645).
* helm.el (helm-follow-mode): Add some comments, no code change.