Fixes #3373 - Fix typo: 'unknow' instead of 'unknown'
Merge pull request #226 from nperron/bug_3373/dev/fix_typo_about_unknow_instead_of_unknown

Fixes #3373 - Fix typo: 'unknow' instead of 'unknown'
Merge branch 'branches/rudder/2.3' into branches/rudder/2.4

Conflicts:
	rudder-core/src/main/scala/com/normation/rudder/repository/ldap/LDAPNodeConfigurationMapper.scala
Merge branch 'branches/rudder/2.4' into branches/rudder/2.5
Merge branch 'branches/rudder/2.5' into branches/rudder/2.6

Conflicts:
	rudder-core/src/main/scala/com/normation/rudder/repository/ldap/LDAPNodeConfigurationMapper.scala
Merge branch 'branches/rudder/2.6'
Change version of pom.xml to 2.4.7-SNAPSHOT
Change version of pom.xml to 2.5.5-SNAPSHOT
Change version of pom.xml to 2.6.3-SNAPSHOT
Merge branch 'branches/rudder/2.4' into branches/rudder/2.5
Merge branch 'branches/rudder/2.5' into branches/rudder/2.6
Merge branch 'branches/rudder/2.6'
Fixes #3517 : Now handle exception when the lock file is already taken.
Fixes #3644 : You can now valid change requests with dynamic node groups
Merge pull request #229 from VinceMacBuche/bug_3644/group_change_request_cannot_be_validated_for_dyn_group

Fixes #3644 : You can now valid change requests with dynamic node groups
Fixes  #3639 : correct disable/enable css buttons
Fixes #3612 : Clearer logs when dynamic updates
Merge pull request #230 from VinceMacBuche/bug_3639/search_form_buttons_stay_disabled

Fixes  #3639 : correct disable/enable css buttons
Merge pull request #228 from VinceMacBuche/bug_3517/Handle_error_node_deletion

Fixes #3517 : Now handle exception when the lock file is already taken.
Merge pull request #231 from VinceMacBuche/bug_3612/dyn_update_log

Fixes #3612 : Clearer logs when dynamic updates