Add symlinks to the params files for testnet3.
Add symlinks to the params files for testnet3.

nathan-at-least/zcash,loxal/zcash,loxal/zcash,loxal/zcash,CTRoundTable/Encrypted.Cash,bitcoinsSG/zcash,nathan-at-least/zcash,aniemerg/zcash,loxal/zcash,loxal/zcash,CTRoundTable/Encrypted.Cash,bitcoinsSG/zcash,nathan-at-least/zcash,bitcoinsSG/zcash,aniemerg/zcash,aniemerg/zcash,bitcoinsSG/zcash,aniemerg/zcash,bitcoinsSG/zcash,bitcoinsSG/zcash,loxal/zcash,CTRoundTable/Encrypted.Cash,CTRoundTable/Encrypted.Cash,CTRoundTable/Encrypted.Cash,aniemerg/zcash,CTRoundTable/Encrypted.Cash,nathan-at-least/zcash,nathan-at-least/zcash,nathan-at-least/zcash,aniemerg/zcash