Fixes #4476: Correct the XML pretty printer to always preserve spaces
Merge pull request #441 from fanf/bug_4476/XML_pretty_printing_of_configuration_repo_files_may_erase_newlines

Fixes #4476: Correct the XML pretty printer to always preserve spaces
Fixes #4479: do not generate promise after an archiving
Merge pull request #442 from fanf/bug_4479/do_not_generate_promise_after_archiving_configuration

Fixes #4479: do not generate promise after an archiving
Fixes #4475: Don't exec proces /bin/true, we know the result
Merge pull request #443 from fanf/bug_4475/dont_try_to_exec_bin_true

Fixes #4475: Don't exec proces /bin/true, we know the result
Fixes #4481: Rudder should not fail on absence of licence file for Windows plugin
Merge pull request #444 from ncharles/bug_4481/dev/dont_fail_on_license_file

Fixes #4481: Rudder should not fail on absence of licence file for Windo...
Merge branch 'branches/rudder/2.6' into branches/rudder/2.8

Conflicts:
	rudder-core/src/main/scala/com/normation/rudder/repository/xml/ItemArchiveManagerImpl.scala