Fixes #5349 - Update screenshots for Rudder 2.10
Refs #5349 - Update picture of ChangeRequest PopUp
Merge pull request #79 from jooooooon/bug_5349/dev/upgrade_screenshotos_2_10

Bug 5349/dev/upgrade screenshotos 2 10
Merge branch 'branches/rudder/2.10' into branches/rudder/2.11
Merge branch 'branches/rudder/2.11' into branches/rudder/3.0
Fixes #5350 - Update screenshots for Rudder 2.11
Merge pull request #80 from jooooooon/bug_5350/dev/update_rudder_2_11_screenshots

Fixes #5350 - Update screenshots for Rudder 2.11
Fixes #5611: Modified upgrading techniques section so new techniques are added as well
Merge pull request #77 from fanf/bug_5611/correct_technique_upgrade_git_command

Fixes #5611: Modified upgrading techniques section so new techniques are...
Merge branch 'branches/rudder/2.6' into branches/rudder/2.10
Merge branch 'branches/rudder/2.10' into branches/rudder/2.11
Merge branch 'branches/rudder/2.11' into branches/rudder/3.0

Conflicts:
	23_administration/60_technique_upgrade.txt
Fixes #5779: Correct the rudder-init related documentation (outated)
Merge pull request #81 from Kegeruneku/bug_5779/doc/5779_less_questions_during_rudder_init

Fixes #5779: Correct the rudder-init related documentation (outated)
Merge branch 'branches/rudder/2.11' into branches/rudder/3.0
Fixes #4365: Document the after-relay installation procedure, to add nodes to the relay
Merge pull request #82 from Kegeruneku/bug_4365/int/4365_add_details_about_post_relay_installation_steps

Fixes #4365: Document the after-relay installation procedure, to add nod...
Fixes #5717: Update the documentation to 3.0
Merge pull request #78 from Kegeruneku/bug_5717/int/5717_update_doc_version_to_3

Fixes #5717: Update the documentation to 3.0
Merge branch 'branches/rudder/2.10' into branches/rudder/2.11