Revert "Merge branch 'checkEpochStart' into 'master'"

this introduces the weird bug that the script to create assessments & concepts stops working and errors with the below error.

Creating first concept....
mewAddress 0x3f3D4276340D058a8D9D4CDEA3A7421D3daBAEEe
(node:2627) UnhandledPromiseRejectionWarning: Error: Returned error: VM Exception while processing transaction: revert
    at Object.ErrorResponse (/home/djuju/ethereum/fathom/assess/node_modules/web3-core-helpers/src/errors.js:29:16)
    at /home/djuju/ethereum/fathom/assess/node_modules/web3-core-requestmanager/src/index.js:140:36
    at XMLHttpRequest.request.onreadystatechange (/home/djuju/ethereum/fathom/assess/node_modules/web3-providers-http/src/index.js:77:13)
    at XMLHttpRequestEventTarget.dispatchEvent (/home/djuju/ethereum/fathom/assess/node_modules/xhr2/lib/xhr2.js:64:18)
    at XMLHttpRequest._setReadyState (/home/djuju/ethereum/fathom/assess/node_modules/xhr2/lib/xhr2.js:354:12)
    at XMLHttpRequest._onHttpResponseEnd (/home/djuju/ethereum/fathom/assess/node_modules/xhr2/lib/xhr2.js:509:12)
    at IncomingMessage.<anonymous> (/home/djuju/ethereum/fathom/assess/node_modules/xhr2/lib/xhr2.js:469:24)
    at IncomingMessage.emit (events.js:185:15)
    at endReadableNT (_stream_readable.js:1106:12)
    at process._tickCallback (internal/process/next_tick.js:178:19)
(node:2627) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:2627) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rej