added loading message when user broadcasts a transaction
added loading message when user broadcasts a transaction

TeamPiggyCoin/PiggyCoinb.in,dasource/coinbin,genecyber/RibbitRewards-Vault,DanielWeigl/coinbin,itscory/Download-Calculator,RibbitFROG/RibbitRewards-Vault,itscory/Download-Calculator,RibbitFROG/RibbitRewards-Vault,txid/coinbin,ivansib/sibcoinbin,dabura667/coinbin,txid/coinbin,RibbitFROG/RibbitRewards-Vault,genecyber/RibbitRewards-Vault,OverlordQ/coinbin,ivansib/sibcoinbin,OutCast3k/coinbin,nFocus-Labs/coinbin,dabura667/coinbin,dasource/coinbin,TeamPiggyCoin/PiggyCoinb.in,OverlordQ/coinbin,OutCast3k/coinbin,DanielWeigl/coinbin,nFocus-Labs/coinbin,genecyber/RibbitRewards-Vault