FYI: Changing latest wskdeploy download URL broke some travis jobs

[krook]

FYI, if anyone had jobs (like I did, now fixed) that pulls the latest tarball at the expected latest URL, the name change (adding "openwhisk_" to the file name broke the downloads.

# Old URL
curl -OL https://github.com/apache/incubator-openwhisk-wskdeploy/releases/download/latest/wskdeploy-latest-linux-amd64.tgz

# New URL
curl -OL https://github.com/apache/incubator-openwhisk-wskdeploy/releases/download/latest/openwhisk_wskdeploy-latest-linux-amd64.tgz

[pritidesai]

sorry @krook for this, @houshengbo are we expecting any more changes as part of streamlining release process?

[brunogirin]

FYI, it probably broke them again as the latest release doesn't seem to be available any longer so I temporarily hard-coded 0.9.1.

[houshengbo]

@krook @pritidesai We need to keep the name like openwhisk_ at the beginning of the tarballs. I think this name is going to be used as the release name, and be stable. So we need to change the download code accordingly.