fixes https://github.com/bitpay/copay/issues/2005
fixes https://github.com/bitpay/copay/issues/2015
fixes https://github.com/bitpay/copay/issues/2016
fixes https://github.com/bitpay/copay/issues/2019
home links as buttons
fixes https://github.com/bitpay/copay/issues/2017
fix typos
Merge pull request #2028 from matiu/v0.8.3

V0.8.3