Refs #3009: Inital version of the Rudder maintenance handbook
Refs #3009: Added a part about setting a RAMdisk for CFEngine in the HandBook
Refs #2943 - Enhance documentation about syslogd which can't use specific port mandatory with Rudder server installed on Ubuntu >= 12.04
Refs #2941 - Add information about mandatory JRE for Rudder server on RHEL/CentOS6
Refs #2941 - Correct informations about mandatory JRE for Rudder server on RHEL/CentOS6
Refs #3009: Correct some of the handbook statements to reflect NCH's corrections in the pull request
Fixes #2983 screenshots updated
Refs #2943 - Enhance documentation about syslogd which can't use specific port mandatory with Rudder server installed on Ubuntu >= 12.04
Refs #2941 - Add information about mandatory JRE for Rudder server on RHEL/CentOS6
Refs #2941 - Correct informations about mandatory JRE for Rudder server on RHEL/CentOS6
Merge branch 'branches/rudder/2.4' of github.com:Normation/rudder-doc into branches/rudder/2.4
Fixes #3084: Create a Technique library upgrade walkthrough
Fixes #3168: clarify server install section
Merge pull request #3 from jooooooon/bug_3168/doc/clarify_server_install

Fixes #3168: clarify server install section
Fixes #3216 - Update known bugs list
Merge pull request #5 from nperron/bug_3216/doc/update_known_bugs_list

Fixes #3216 - Update known bugs list
Fixes #3321 : add a warning about the manual escaping of variables in directive in Rudder < 2.6
fixes #3344: removed contrib non free
Merge pull request #9 from aesraethr/bug_3344/doc/remove_contrib_nonfree

fixes #3344: removed contrib non free
Merge branch 'branches/rudder/2.3' into branches/rudder/2.4

* branches/rudder/2.3:
  fixes #3344: removed contrib non free

Conflicts:
	10_install_server/11_install_root_server_debian.txt