Merge pull request #30 from krebs/fixups

(hopefully) fix pass with subfolders, make README more clear for extraOptions

isLocalTarget: use "localhost" as default

This fixes an issue when trying to deploy using sudo from systems that
don't provide means to determine the real host name.

Make pass source follow symlinks

Merge pull request #21 from elohmeier/git-shallow

add shallow option to git source type

Merge pull request #20 from Mic92/local-sudo

fix local deployment with sudo

treewide: harmonize ssh calls

Merge pull request #19 from erikarvstedt/improve-target-opts

Improve deploy target options

Merge pull request #15 from nyantec/feature/filters

support for include filters

Merge pull request #11 from Mic92/build-host

Support for build hosts

Merge pull request #9 from nyantec/feature/sudo

ssh: fix mistake with sudo on remote