Create directories for trema when starting vna
Merge pull request #200 from axsh/feature-trema-temp

Create directories for trema when starting vna
Replace zeromq-devel with zeromq3-devel
Merge pull request #201 from axsh/zeromq-devel-update

Replace zeromq-devel with zeromq3-devel
Merge branch 'master' into feature-dhcp-web-api-rebased