issue-1: Adding INFOPATH

Signed-off-by: Mike Detwiler <mike@mikedetwiler.com>
issue-1: Adding ~/.manpath

Signed-off-by: Mike Detwiler <mike@mikedetwiler.com>
Merge pull request #8 from detwiler/issue-1

Issue 1: Handle setup of MANPATH and INFOPATH for locally installed packages