fixed ref error in shell.js
add better handling of native menu actions, add handlers for backup
now sending alert message to shell when menu action can't be handled
added message for backup to file for when instide copay shell
Merge branch 'master' of github.com:bitpay/copay into feature/copay-shell
added handling of importing a backup
merged email modal and wired up copay shell integration for it
remove whitespace
Merge branch 'master' of github.com:bitpay/copay into feature/copay-shell
add introduction
Merge pull request #529 from gordonwritescode/feature/copay-shell

WIP: Copay Shell Integration 2
insight REST API retry
rm log
add coverage reports
add ctags config
Merge pull request #566 from maraoz/update/README

Update readme and add test coverage reports
Merge pull request #565 from matiu/feature/reconnectInsight

insight REST API retry
fix safeUnspents report
fix travis
Merge pull request #570 from maraoz/fix/travis

fix travis