Fix creation of HardLinks. The LinkName of an hardlink is relative to the tar's root.
tests: add travis-ci config and test script
Merge pull request #189 from sgotti/fixtar

pkg/tar: fix creation of HardLinks.
Merge pull request #178 from mboersma/travis-ci

tests: add travis-ci config and test script
readme: add travis badge
Merge pull request #203 from jonboulle/travis

readme: add travis badge
app-container: remove smart quotes

Thanks to Eric who reported this to me over email.
Merge pull request #204 from philips/remove-smart-quotes

app-container: remove smart quotes
Fix table formatting
Merge pull request #206 from vsekhar/patch-1

appc/spec: fix table formatting