Add a shortcut to switch between brs/xml files

• Add a shortcut to switch between brs/xml files (PR #9)
• Update copyright year

Add the Default Package Device configuration setting

• Add the Default Package Device configuration setting (serial number of default packaging device,
  used for packaging unless the device list has one and only one device checked)
• electron-config is now electron-store
• Latest version of Archiver now uses local time for zip'd files instead of UTC
• Use latest versions of all dependent packages

Add Package command and project-specific ignores

• Add .rokudevignore ignore file parsing
• Add package command

Increase request timeout when uploading to device

• Change request timeout from 15 to 60 seconds when uploading to device
• Use latest versions of all dependent packages

Implement scrollbars for device table

• Add scrollbars, if necessary, to Roku device list
• Add Show/Hide Unchecked button to device list
• Implement 15 second timeout when attempting to connect
• Update documentation link to Roku Developer Setup Guide

Resolve symbolic links in zip file

• Handle symbolic links in the project directory

Allow auto-discovery to be disabled

• Implement Settings option to disable auto-discovery

Update dependencies

• Use the latest versions of all dependent packages
• Update copyright year

Handle HTTP code 202 from Roku device

• When deploying, treat an HTTP status code 202 (Accepted) the same as a code 200 (OK)
• Update copyright year
• Fixes #1

Minor changes to device discovery

• Apply a timeout when creating socket to send ECP request to discovered device
• Use reuseAddr: true option when opening notify-socket to allow other applications to also listen for SSDP NOTIFY responses