Bigdesk installation fails on ES 2.1.0

I am Using ElasticSearch 2.1.0.

When I try to install bigdesk plugin below is the error .

elasticsearch@searchlog03:/usr/share/elasticsearch$ ./bin/plugin install lukas-vlcek/bigdesk
-> Installing lukas-vlcek/bigdesk...
Trying https://github.com/lukas-vlcek/bigdesk/archive/master.zip ...
Downloading .........................................................................................................................................................................................................................................................DONE
Verifying https://github.com/lukas-vlcek/bigdesk/archive/master.zip checksums if available ...
NOTE: Unable to verify checksum for downloaded plugin (unable to find .sha1 or .md5 file to verify)

ERROR: Could not find plugin descriptor 'plugin-descriptor.properties' in plugin zip

any help would be appreciated.

Thanks,
Naresh.

You should raise this on the Bigdesk repo, https://github.com/lukas-vlcek/bigdesk/issues.