Added 'Session IDs in URLs' and 'Session cookies' sections to docs/sessions.txt 
Added 'Session IDs in URLs' and 'Session cookies' sections to docs/sessions.txt 

git-svn-id: 554f83ef17aa7291f84efa897c1acfc5d0035373@1044 bcc190cf-cafb-0310-a4f2-bffc1f526a37

svn2github/django,svn2github/django,svn2github/django