* cli: shorter install message without undefined for #146
* cli: show relative path after install
* cli: debug install process
* cli: print message if using CYPRESS_VERSION
* cli: tests for CYPRESS_VERSION install
* cli: needed version message
* cli: verify app after download on install
* cli: do not verify app on install, wait until it runs
* cli: add verify command
* cli: good messags for missing app binary
* cli: xvfb error
* add missing app error
* linting
* cli: errors reported using same function
* print stack in error message for some errors
* show path checked
* use same error mechanism for download errors
* cli: unzip should report error the same way as the rest of CLI
* update some error language
* consolidate urls in error messages
* show terminal info
* terminal check outside of code
* cli: detect CI, do not use progress bar
* cli: test mock bar
* remove context.only
