win: Implement attached devtools, fixes #373.
mac: Make sure web view is the first responder of window, fixes #382.
Add document for browser-window's icon
Support INSERT in accelerator, fixes #398.
Bump v0.13.1.
Merge pull request #397 from RobberPhex/master

Add document for browser-window's icon
Do not assume trailing callback in dialog API, fixes #395.
webContents.executeJavaScript should run code after page is loaded.

Fixes atom/atom#1805.
gtk: Add BrowserWindow.setSkipTaskbar API.
win: Implement setSkipTaskbar.
:memo: Document the setSkipTaskbar API.
Merge pull request #404 from atom/skip-taskbar

Add BrowserWindow.setSkipTaskbar API
Add web-view module.
Add zoom factor APIs alternative to zoom level.
:memo: Document the web-view module.
Allow setting default zoom factor.
:lipstick: Fix cpplint warnings.
:memo: Document the 'zoom-factor' option.
Merge pull request #406 from atom/webview

Provide ways to set page's zoom level
mac: Fix handling event from other windows.