Merge pull request #4 from ardadouk/master

updating
Merge pull request #5 from ardadouk/master

before save on resources/leases.rb
Changes for searching leases based on their status
Merge branch 'master' of github.com:dostavro/omf_sfa
Merge branch 'master' of github.com:dostavro/omf_sfa
necessary changes to be compatible with omf-common version 6.1.3
bug fix to change the way urn was returned on sfa listresources if the urn was missing, now it won't respond with ol:channel but just channel in component_id