added all the css properties as attributes to the main slideshare container div so that user can change any of them. All of them have default values.
selected slide is now highlighted in the navigation bar
Merge remote-tracking branch 'origin/master'

Conflicts:
	js/slideshare.presentation.stack.js
added all the css properties as attributes to the main slideshare container div so that user can change any of them. All of them have default values.
selected slide is now highlighted in the navigation bar