Adding Scripts and Css to Content Editor

Here's the easiest way to add custom javascript and/or css to the Rich Text Editor in Sitecore 8:

https://gist.github.com/Wesley-Lomax/4aaaed651dbd8491273c

Session Timeouts in Sitecore

Here's a great article that explains Session timeouts in Sitecore.

https://grantkillian.wordpress.com/2015/03/26/53/