atom-shell v0.22.3

Changelog:

• Fix leak when removing WebView from DOM.
• Fix accept-first-mouse not working for draggable regions in frameless window.
• Fix crash when quitting in the closed event of BrowserWindow.
• Throw error when downloaded application is not signed in auto updater.
• Add clipboard.writeImage API.
• Restore window state when calling BrowserWindow.show.
• Add option to open devtools in its own window for BrowserWindow.openDevTools.
• Fix process.argv not reserving command line parameters' order.
• Returns whether operation succeeded in shell.moveItemToTrash.
• Add support for Chrome web UIs like chrome://gpu and chrome://tracing.

Linux

• Zygote process is disabled.

Windows

• Fix WebGL not working.