helm-regexp.el: Add command to invoke occur form isearch.
helm-regexp.el: Add command to invoke multi occur form isearch.
Merge pull request #231 from yasuyk/occur-form-isearch

Add commands to invoke (multi) occur form isearch
* helm-config.el: Update autoloads.
* helm-regexp.el: reindent no code change.
* helm.el (helm-resume-previous-session-after-quit): Fix index and simplify.
* helm.el (helm-resume-previous-session-after-quit): Fix, use <.