TASK: Add changelog for 4.0.18

See https://jenkins.neos.io/job/neos-release/209/

Documentation/Appendixes/ChangeLogs/4018.rst

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+`4.0.18 (2019-09-02) <https://github.com/neos/neos-development-collection/releases/tag/4.0.18>`_
+================================================================================================
+
+Overview of merged pull requests
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+`BUGFIX: Prevent deleting or rebasing the live workspace <https://github.com/neos/neos-development-collection/pull/2632>`_
+--------------------------------------------------------------------------------------------------------------------------
+
+Doing so would completely break Neos when resolving
+the content of a workspace that is based on live.
+
+Resolves: #2631
+
+* Packages: ``Neos``
+
+`TASK: Add more doc for Eel Translation.translate <https://github.com/neos/neos-development-collection/pull/2640>`_
+-------------------------------------------------------------------------------------------------------------------
+
+**What I did**
+
+Add more information for Eel Translation helper:
+- existence of I18n alias
+- add more doc for Translation.translate's source argument
+- add an example
+
+**How to verify it**
+
+Check that the doc is accurate
+
+* Packages: ``Neos``
+
+`TASK: Fix option name for NodeName filter <https://github.com/neos/neos-development-collection/pull/2641>`_
+------------------------------------------------------------------------------------------------------------
+
+**What I did**
+
+Fix option name for NodeName filter in the documentation
+
+**How to verify it**
+
+Check that the doc is accurate with the source code of the Filter
+
+* Packages: ``Neos``
+
+`BUGFIX: Don't render exception message in Production Context <https://github.com/neos/neos-development-collection/pull/2603>`_
+-------------------------------------------------------------------------------------------------------------------------------
+
+Synchronizes the behavior of the Fusion rendering exception handing with the one
+from Flow to only render the exception *message* in `Development` Context.
+
+Fixes: #2602
+
+* Packages: ``AssetList`` ``BaseMixins`` ``Browser`` ``ColumnLayouts`` ``ContentReferences`` ``Form`` ``Fusion`` ``Navigation`` ``Neos`` ``NodeTypes``
+
+`TASK: Safelist branches for travis builds <https://github.com/neos/neos-development-collection/pull/2600>`_
+------------------------------------------------------------------------------------------------------------
+
+This prevents builds from running doubly on branches created on this repository for PRs, e.g. through the StyleCI bot or by github inline PRs.
+
+See https://docs.travis-ci.com/user/customizing-the-build/#safelisting-or-blocklisting-branches
+See also https://github.com/neos/flow-development-collection/pull/1660
+
+Retargeted replacement for #2593 
+
+`BUGFIX: Skip nodes if they cannot be resolved in ContentCacheFlusher <https://github.com/neos/neos-development-collection/pull/2595>`_
+---------------------------------------------------------------------------------------------------------------------------------------
+
+If a node cannot be resolved in the content cache flusher
+skip this node instead of throwing an exception.
+
+Resolves: #2594
+
+* Packages: ``Browser`` ``Neos``
+
+`Detailed log <https://github.com/neos/neos-development-collection/compare/4.0.17...4.0.18>`_
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~