What was the root cause of the problem originally / what feature was missing?
Reference to no-longer-existing contract-output.json. Also, no-longer-used env variable for PoPA contract ABI was used.
How does this pull request solve it (in broad terms)?
Remove copying of contract-output.json in travis setup.
What is it? (leave one option)
(Fix)
What was the root cause of the problem originally / what feature was missing? Reference to no-longer-existing contract-output.json. Also, no-longer-used env variable for PoPA contract ABI was used.
How does this pull request solve it (in broad terms)? Remove copying of contract-output.json in travis setup.
Does it close any open issues? Closes #107