Remove erlando
Fix specs for empty lists
Merge pull request #2 from puzza007/dialyzer

Fix specs for empty lists
Merge pull request #1 from puzza007/r16-de-erlando

Remove erlando.

merging after some basic testing in our dev environment.

thanks for submitting the patch, Paul!
Expose backends for sv_batch... more to come
Expose sv_batch/2
Don't register zeta_client
Merge commit 'origin/multi-backend' (minus one commit) into campanja