8.0

Merge branch 'master' into version8

# Conflicts:
#	SimpleBitcoinWidget.iml
#	bitcoin/build.gradle
#	bitcoin/src/main/java/com/brentpanther/bitcoinwidget/exchange/ExchangeData.kt
#	bitcoin/src/main/res/raw/cryptowidgetcoins.json
#	bitcoin/src/main/res/values/strings.xml