[Dev] zona downloads

[Kartick Suriamoorthy]

All,

As we flesh out the ZONA vendor pages, end users
will need a mechanism to download the content from
those pages. As of now content consists of either
adapters or tools.

Adapter downloads :
Since an adapter can contain multiple folders or
files, users should be able to download a zip file
containing all the files necessary to deploy that
adapter. The zip file shall contain the adapter
bundle and a crate file that contains the adapter
bundle id, version, location, etc.

Example :
The ziptie.adapters.riverbed.steelhead.zip should
contain all the files that are part of the Riverbed
Steelhead adapter bundle and a crate file -
ziptie.adapters.riverbed.steelhead_<version>.crate

Tools downloads :
All vendor specific tools are going to be checked
into their own bundle. A zip of that bundle will
be made available to end users via the ZONA vendor
page. Users get to download all the available
tools for that vendor and will not be able to pick
and choose the individual tools that they want
or do not want from the download page (users can
always delete the tools that they are not interested
in after downloading the tools bundle).

Example :
All Riverbed tools are going to be checked into a
bundle called org.ziptie.tools.scripts.riverbed.
A zip file (o.z.tools.scripts.riverbed.zip) will
be made available for users to download. This zip
will also contain a crate file -
org.ziptie.tools.scripts.riverbed_<version>.crate

Nightly Build :
The nighly build should create these zips and push
it out to ziptie.org/builds directory. The builds
directory will have a "zona" directory, which will
contain all the zips.

Please let me know if anybody has any feedback or
needs more info on how this is going to work.

Thanks,
Kartick