K 10 svn:author V 3 dru K 8 svn:date V 27 2013-10-18T20:50:45.731258Z K 7 svn:log V 374 Begin shuffling content to divide it into basic configuration, advanced configuration, authentication, and dial-ins instead of dial-outs. More shuffling to come. Add more to the intro to help make sense of how everything fits together. General tightening and clarification in sections 26.2.2 and 26.2.3. White space fix won't occur until after next shuffling is complete. END