rhbz1110627 zanata init

https://bugzilla.redhat.com/show_bug.cgi?id=1110627
and https://bugzilla.redhat.com/show_bug.cgi?id=1038852

Depends on https://github.com/zanata/zanata-api/pull/15 and https://github.com/zanata/zanata-server/pull/520
Add a comment above this line to indicate that %s is a directory (non-standard but Zanata will show it as a source comment). Alternatively, this could be `...=Directory %s does not exist...`.