Merge branch 'branches/rudder/2.6' into branches/rudder/2.9
Merge branch 'branches/rudder/2.9' into branches/rudder/2.10
Fixes #4998: Installation section is too hard to follow
Fixes #4722: Documented procedure for Relay Server is invalid
Merge pull request #65 from jooooooon/bug_4722/documented_procedure_for_relay_server_is_invalid

Fixes #4722: Documented procedure for Relay Server is invalid
Merge pull request #63 from jooooooon/bug_4998/installation_section_is_too_hard_to_follow

Fixes #4998: Installation section is too hard to follow
Merge branch 'branches/rudder/2.6' into branches/rudder/2.9

Conflicts:
	10_install_server/11_install_root_server_debian.txt
	10_install_server/12_install_root_server_sles.txt
	10_install_server/13_install_root_server_centos_rhel.txt
Merge branch 'branches/rudder/2.9' into branches/rudder/2.10

Conflicts:
	10_install_server/11_install_root_server_debian.txt
	10_install_server/12_install_root_server_sles.txt
	10_install_server/13_install_root_server_centos_rhel.txt
Fixes #5005: Documentation states that relay servers are not yet available!
Merge pull request #66 from jooooooon/bug_5005/documentation_states_that_relay_servers_are_not_yet_available

Fixes #5005: Documentation states that relay servers are not yet availab...
Merge branch 'branches/rudder/2.9' into branches/rudder/2.10
Fixes #5026: Documentation for installing a relay server uses a group only available on RHEL/CentOS
Merge pull request #67 from jooooooon/bug_5026/documentation_for_installing_a_relay_server_uses_a_group_only_available_on_rhel_centos

Fixes #5026: Documentation for installing a relay server uses a group on...
Merge branch 'branches/rudder/2.9' into branches/rudder/2.10
Fixes #5204: Update the documation to add an upgrade part about RHEL6
Fixes #5205: Incomplete command to force inventory
Merge pull request #68 from Kegeruneku/bug_5204/int/5204_fix_upgrade_documentation_for_rpm_oses

Fixes #5204: Update the documation to add an upgrade part about RHEL6
Merge pull request #69 from peckpeck/bug_5205/incomplete_command_to_force_inventory

Fixes #5205: Incomplete command to force inventory
Merge branch 'branches/rudder/2.6' into branches/rudder/2.10

Conflicts:
	12_upgrade/20_upgrade_centos_rhel.txt
Fixes #5348 - Update screenshots of Rudder 2.6