This is a resubmission of #44, but with the code moved to `renderer.js`
from `app.js`.

Add souce_connect.

Make sure session is defined initially

Fix all problems with the upload button

This should fix #80.

Fixing the Delete button bug

Ensure runTx always returns details about the transaction in both VM and Web3 mode

Ensure runTx always returns details about the transaction and not the tx hash in web3 mode (i.e. move tryTillResponse into runTx)

Codestyle formatting (Part 2)

Codestyle formatting (Part 1)

Fix invalid reference to fileNameFromKey

Fix tryTillResponse after recent changes

Fix deployment.