Implemented an inactivity time out that will log users out after a period of inactivity, set by the config variable $auth["session_php"]["inactivity_expire_time"].  Only implemented for the 'php' session scheme


git-svn-id: http://svn.code.sf.net/p/mrbs/code/mrbs/trunk@2742 25f7e783-145e-4f2d-a9f8-dd7182bfe9c7
Replaced use of deprecated jQuery .live() method

git-svn-id: http://svn.code.sf.net/p/mrbs/code/mrbs/trunk@2743 25f7e783-145e-4f2d-a9f8-dd7182bfe9c7
Replaced use of deprecated jQuery .andSelf() method

git-svn-id: http://svn.code.sf.net/p/mrbs/code/mrbs/trunk@2744 25f7e783-145e-4f2d-a9f8-dd7182bfe9c7
Replaced use of deprecated jQuery .load() method

git-svn-id: http://svn.code.sf.net/p/mrbs/code/mrbs/trunk@2745 25f7e783-145e-4f2d-a9f8-dd7182bfe9c7