Move buildinfo dependency from vnswcmn.
Make agent Unit Tests independent of buildinfo generation
fix for #1830
Merge pull request #158 from Juniper/bugs

Move buildinfo dependency from vnswcmn.
Merge pull request #159 from Juniper/anju_b1

fix for #1830
Merge remote branch 'upstream/master'
change name l3_active to ipv4_active