First 1.0 release canidate

1.0.0-rc1

Removes the alertify.extend method
Removes the public alertify.init method.
Removes the returning of the alertify global in all methods.
Removes the reversal of buttons.
Updates the default styles to be cleaner, lighter.
Adds an AngularJS module.
Removes handling of element focus.
Adds a limit to number of log messages displayed at any time.
Changes the log messages to have dynamic width.
Adds a beta preview of the new website look in examples directory.
Injects needed CSS automatically by default.
Added documentation for HTML in the dialogs.
Disabled the log click to close feature by default to allow for HTML.
Removes support for themes by default, add a custom stylesheet to override the default style.