refactor txProposal input signature handling
mocha tests passing
rm log
paypro: temporarily disable, with comments.
fix formatting
Merge pull request #1172 from matiu/big/inputSig3

Big/input sig3
v0.4.7
Merge pull request #1173 from matiu/v0.4.7

v0.4.7
replace 32 bit op with toFixed
add tests
show loading/spinner when getting last transactions
If transaction proposal was sent, remove "loading icon" from other copayers
Merge pull request #1175 from matiu/bug/fix-big-amounts

Bug/fix big amounts
Merge pull request #1171 from chjj/paypro_disable

Tentative: Temporarily disable payment protocol.
add space
rm space
starting with async networking
fixing stuff
basic stuff working
add socket.io-browserify