barclamp_mgmt_lib: Only upload data bag from current barclamp
barclamp_mgmt_lib: Only upload data bag from current barclamp

There's no need to upload data bags from all barclamps when we install
one barclamp. This makes the installation faster.

aplanas/crowbar,rhafer/crowbar,mmnelemane/crowbar,crowbar/crowbar,dirkmueller/crowbar,dirkmueller/crowbar,vwallfahrer/crowbar,tserong/crowbar,MaximilianMeister/crowbar,aspiers/crowbar,rhafer/crowbar,rsalevsky/crowbar,toabctl/crowbar,nkrinner/crowbar,crowbar/crowbar,MaximilianMeister/crowbar,tserong/crowbar,mmnelemane/crowbar,toabctl/crowbar,SUSE-Cloud/crowbar,aplanas/crowbar,nkrinner/crowbar,aspiers/crowbar,rsalevsky/crowbar,vwallfahrer/crowbar,SUSE-Cloud/crowbar,rhafer/crowbar