Bugfix for Ensembles with no output.

(cherry picked from commit 35ed448bc73cc83e085e04bce7409b2dfd4b5475)
Bugfix for Ethernet output resizing.

(cherry picked from commit e42e89002dc513843267a369fd353d5cd39dcd1c)
Merge pull request #84 from ctn-waterloo/fixes

Minor fixes
Merge branch 'master' into keyspaces2