v2 beta 10

• Added streaming through stdout
• Added drop to plugin (OS X 10.10 and later)
• Added support for passing URLs to the image parameters
• Added support for multi-line titles thanks to @ganeshv - #324
• Added checkmark parameter
• Added environment variable BitBarVersion
• Added Sparkle updater
• Save plugin screenshots via the URL scheme
• Added demo mode
• For one click status bar action, the menu shows when pressing the alt key
• Fixed a crash when the font name has wrong capitalization
• Fixed a crash when setting root=true
• Grayed out status item during refresh (less distracting)