* helm-regexp.el (helm-occur): Support preselect
Merge pull request #388 from yasuyk/helm-occur-preselect

helm-regexp.el (helm-occur): Support preselect if helm-source-occur is in `helm-sources-using-default-as-input'
Add option 'helm-apt-cache-show-function'.

Add option `helm-apt-cache-show-function' to make user can customize "show description" interface.

I use below code instead `helm-apt-cache-show':

(setq helm-apt-cache-show-function 'apt-utils-show-package-1)
Merge pull request #390 from manateelazycat/patch-2

Add option 'helm-apt-cache-show-function'.