Add text in README about LDAP authentication
forgot the word "package"
Add information about LDAP headers to README
add command for Debian/Ubuntu
Merge pull request #178 from ppurka/issue-177

Add text in README about LDAP authentication
Use the Sage displayhook, otherwise graphics is not shown (trac #14469)
Merge pull request #180 from vbraun/displayhook

Use the Sage displayhook, otherwise graphics is not shown (trac #14469)
Update to version 0.10.7.2