Sync Console Path

Add ability to sync path of console and opened directory.

fix

• (rest) jonny: node v4 support

feature

• (cloudcmd) add --sync-console-path
• (package) console-io v6.0.1
• (package) html-webpack-exclude-assets-plugin v0.0.6
• (package) html-webpack-plugin v3.0.7
• (cloudcmd) add emitter
• (package) os-homedir -> os.homedir

updates

• console-io v6.0.0