For multiple tabs, event configuration

Idle activity timer and logout redirect for jQuery. Works with multiple
tabs. Event configuration.
Updated index.html
Fix issues #1 and #3

Multiple windows & tabs function as expected.
Updated index.html
Added jquery-idleTimeout-for-testing.js

Uploaded both commented & uncommented versions.
Fixed small bug
Fixed missing clearTimeout call

Added clearTimeout call to inactive window or tab when the warning
dialog appears on the active window or tab
Screenshot warning dialog box
Update readme
Update README
Update index.html sample
Update index.html example
Update README
Update README
Modified to work with Internet Explorer
Update README & screenshot
Fix markup in README
Merge pull request #3 from JillElaine/master

Additional configuration options added + lots of other goodies thanks to Jill Elaine.