* Fix#1569
* Use common component for handling "to" address
* If to address becomes invalid, hide contract interact explorer
* Add IS_CONTRACT_INTERACTION mode - fix bugs related to contract interact
* Bump shepherd version to fix bugs related to metamask + network switches
* Update mycrypto link downloads
* Update facebook link
* Remove console log from checktx
* Fix dollar sign on contract address in conf modal
* Fix unchecksummed address for metamask signing
* Cleanup unused classname
* Update generate keystore file description to be correct
* Add space to create new wallet banner
* Remove extra variable
* Do checksumming in library function instead of component
* Clear state on address change