Update version number to 4.2.0

Author: jngrad

CMakeLists.txt

@@ -47,7 +47,7 @@ if(POLICY CMP0074)
   cmake_policy(SET CMP0074 NEW)
 endif()
 
-set(PROJECT_VERSION "4.2-dev")
+set(PROJECT_VERSION "4.2.0")
 
 #
 # CMake internal vars

doc/sphinx/installation.rst

@@ -195,8 +195,8 @@ Installing requirements on other Linux distributions
 Please refer to the following Dockerfiles to find the minimum set of packages
 required to compile |es| on other Linux distributions:
 
-* `Fedora <https://github.com/espressomd/docker/blob/master/docker/Dockerfile-fedora>`__
-* `Debian <https://github.com/espressomd/docker/blob/master/docker/Dockerfile-debian>`__
+* `Fedora <https://github.com/espressomd/docker/blob/4.2/docker/Dockerfile-fedora>`__
+* `Debian <https://github.com/espressomd/docker/blob/4.2/docker/Dockerfile-debian>`__
 
 .. _Installing requirements on Windows via WSL:
 

doc/sphinx/introduction.rst

@@ -622,7 +622,7 @@ publications, using the BibTeX entries indicated in this user guide.
 
 A complete citation would look like this:
 
-    Simulations were carried out with ESPResSo 4.1[24] using the ICC\*
+    Simulations were carried out with ESPResSo 4.2[24] using the ICC\*
     algorithm[25].
 
     | ____________
@@ -640,7 +640,7 @@ You may also provide the patch level, when relevant. If you developed code
 for |es| and made it available in a publicly accessible repository, you
 should consider providing the corresponding URL, for example in a footnote:
 
-    The method was implemented for ESPResSo 4.1.4[24] and the source code is
+    The method was implemented for ESPResSo 4.2.0[24] and the source code is
     available online\ :superscript:`note 1`.
 
     | ____________