Bail out if not a valid version of node. Fixes gh-764

[rwaldron]

Sure, this is incredibly brutal, but the usb module DOESN'T WORK on Node.js > 4, so there is no point in being misleading. This is "fail hard, fail early" at it's bluntest.

cc @HipsterBrown

Signed-off-by: Rick Waldron waldron.rick@gmail.com

[dbuentello]

Very brutal...Im on 6.4.0 and usb works fine

─┬ t2-cli@0.0.25
  ├── acorn@3.3.0
  ├── async@1.5.2
  ├── bindings@1.2.1
  ├── char-spinner@1.0.1
  ├── colors@1.1.2
  ├── common-tags@0.0.1
  ├── fs-extra@0.26.7
  ├── fs-temp@1.1.0
  ├── fstream@1.0.10
  ├── fstream-ignore@1.0.5
  ├── glob@5.0.15
  ├── inquirer@0.8.5
  ├── is-root@1.0.0
  ├── mdns-js@0.4.0
  ├── minimatch@3.0.3
  ├── node-rsa@0.2.30
  ├── nomnom@1.8.1
  ├── npm@2.15.10
  ├── npmlog@4.0.0
  ├── osenv@0.1.3
  ├── progress@1.1.8
  ├── promzard@0.3.0
  ├── request@2.74.0
  ├── semver@5.3.0
  ├── shell-escape@0.2.0
  ├── ssh2@0.4.15
  ├── sshpk@1.9.2
  ├── stream-to-buffer@0.1.0
  ├── t2-project@0.4.0
  ├── tar@2.2.1
  ├── tar-stream@1.5.2
  ├── toml@2.3.0
  ├── uglify-js@2.7.3
  ├── update-notifier@0.6.3
  ├── url-join@0.0.1
  ├── usb@1.1.2
  └── usb-daemon-parser@0.0.2

[dbuentello]

i do remember getting warning on install but didnt look into them since it seemed to still work. Will uninstall/reinstall and report results

[HipsterBrown]

Will smoke test tonight.

[HipsterBrown]

Works as advertised. 👍 Good to merge as soon as Travis passes.

[rwaldron]

@dbuentello this is really only temporary until we get Node 6 sorted for node-usb

[rwaldron]

Still failing to install correctly on Node 6 (due to node-usb)

• https://travis-ci.org/tessel/t2-cli/jobs/154464786
• https://travis-ci.org/tessel/t2-cli/jobs/154464790