add zsh support in testpath
fix packed string when it gets NoneType values
remove unused build_gkeydict function from gkeyldap
misc improvements

* Rename some variables to a more easy-to-understand name
* Improve some strings and fix typos
create config sample
ignore local .conf files
Merge pull request #1 from gentoo/week1_small_improvements

GSoC 2014 Week1: small improvements