have to cd into the mirrors directory to use git commands
ask before deleting existing mirror

git-svn-id: http://serverscripts.googlecode.com/svn/trunk@19 263f9a59-98f3-fd3d-e170-7f53be97ffb7
renamed every6.sh to incremental.sh
  finished this cron script
  runs every 4 hours by default

git-svn-id: http://serverscripts.googlecode.com/svn/trunk@20 263f9a59-98f3-fd3d-e170-7f53be97ffb7
moved screenc command to crontab file in install.sh

git-svn-id: http://serverscripts.googlecode.com/svn/trunk@21 263f9a59-98f3-fd3d-e170-7f53be97ffb7