option to disable sound of notification
ability to close notifications
trigger event when notification is activated
Broken Offline Link
add window.getX() and getY() methods
Document new window position methods.
Add ability to get font information.
Add ability to set custom user agent string.
Add defaultLineHeightForFont
Add callbacks capability (taken from hildjj/macgap).
Add menu proxies (taken from hildjj/macgap).
Menu proxies now working; added modifier key handling.
All to set modifier combinations from Javascript.
Add menu usage.
Allow Obj-C to trigger JavaScript events containing additional key-value data.
Trigger JavaScript event when the active OS X app changes.
Add documents and app home directories.
Add temp directory.
Resolve conflicts with fonts branch.

Conflicts:
	MacGap.xcodeproj/project.pbxproj
	MacGap/Classes/WebViewDelegate.h
	MacGap/Classes/WebViewDelegate.m
Merge branch 'master' of https://github.com/maccman/macgap into get-window-position