Similar to D14102, this diff moves the opreturn specific config out of Ticker.js and into its own config file.

• ensure no results from the following greps: (copy and paste in one single batch)

grep -wr currency.opReturn.opReturnPrefixHex src/
grep -wr currency.opReturn.opReturnPrefixDec src/
grep -wr currency.opReturn.opReturnAppPrefixLengthHex src/
grep -wr currency.opReturn.opPushDataOne src/
grep -wr currency.opReturn.appPrefixesHex.eToken src/
grep -wr currency.opReturn.appPrefixesHex.cashtab src/
grep -wr currency.opReturn.appPrefixesHex.cashtabEncrypted src/
grep -wr currency.opReturn.appPrefixesHex.airdrop src/
grep -wr currency.opReturn.appPrefixesHex.aliasRegistration src/
grep -wr currency.opReturn.encryptedMsgByteLimit src/
grep -wr currency.opReturn.unencryptedMsgByteLimit src/

• npm test
• npm start
• send and receive XEC tx with an unencrypted message
• send and receive one to many XEC tx with an unencrypted message
• send and receive XEC with an encrypted message
• send and receive an airdrop generated XEC transaction and ensure it's recognized in tx history as an airdrop tx
• send and receive eToken