Utilities/Release: Enable server mode in all binaries

Add the CMake_ENABLE_SERVER_MODE option explicitly to the configuration
of all binary builds.  We want to know the mode is available if the
build succeeds.

Utilities/Release/linux64_release.cmake

@@ -33,6 +33,7 @@ OPENSSL_INCLUDE_DIR:PATH=/home/kitware/openssl-1.0.2h/include
 OPENSSL_SSL_LIBRARY:FILEPATH=/home/kitware/openssl-1.0.2h/lib/libssl.a
 CPACK_SYSTEM_NAME:STRING=Linux-x86_64
 BUILD_QtDialog:BOOL:=TRUE
+CMake_ENABLE_SERVER_MODE:BOOL=TRUE
 CMake_GUI_DISTRIBUTE_WITH_Qt_LGPL:STRING=3
 CMake_INSTALL_DEPENDENCIES:BOOL=ON
 CMAKE_PREFIX_PATH:STRING=${qt_prefix}

Utilities/Release/osx_release.cmake

@@ -20,6 +20,7 @@ CMAKE_OSX_DEPLOYMENT_TARGET:STRING=10.7
 CMAKE_SKIP_BOOTSTRAP_TEST:STRING=TRUE
 CPACK_SYSTEM_NAME:STRING=Darwin-x86_64
 BUILD_QtDialog:BOOL=TRUE
+CMake_ENABLE_SERVER_MODE:BOOL=TRUE
 CMake_GUI_DISTRIBUTE_WITH_Qt_LGPL:STRING=3
 CMake_INSTALL_DEPENDENCIES:BOOL=ON
 CMAKE_SKIP_RPATH:BOOL=TRUE

Utilities/Release/win32_release.cmake

@@ -15,6 +15,7 @@ CMAKE_SKIP_BOOTSTRAP_TEST:STRING=TRUE
 CMAKE_Fortran_COMPILER:FILEPATH=FALSE
 CMAKE_GENERATOR:INTERNAL=Ninja
 BUILD_QtDialog:BOOL:=TRUE
+CMake_ENABLE_SERVER_MODE:BOOL=TRUE
 CMake_GUI_DISTRIBUTE_WITH_Qt_LGPL:STRING=3
 CMake_INSTALL_DEPENDENCIES:BOOL=ON
 CMAKE_EXE_LINKER_FLAGS:STRING=-machine:x86 -subsystem:console,5.01

Utilities/Release/win64_release.cmake

@@ -16,6 +16,7 @@ CMAKE_SKIP_BOOTSTRAP_TEST:STRING=TRUE
 CMAKE_Fortran_COMPILER:FILEPATH=FALSE
 CMAKE_GENERATOR:INTERNAL=Ninja
 BUILD_QtDialog:BOOL:=TRUE
+CMake_ENABLE_SERVER_MODE:BOOL=TRUE
 CMake_GUI_DISTRIBUTE_WITH_Qt_LGPL:STRING=3
 CMake_INSTALL_DEPENDENCIES:BOOL=ON
 CMAKE_EXE_LINKER_FLAGS:STRING=-machine:x64 -subsystem:console,5.02