Reorganizing src and test folders

Moving epanet_output library from tools to src folder. Setting up parallel folder hierarchy in tests folder.

src/outfile/CMakeLists.txt

@@ -0,0 +1,40 @@
+#
+# CMakeLists.txt - CMake configuration file for epanet-output library
+#
+# Created: March 9, 2018
+# Author: Michael E. Tryby
+#         US EPA ORD/NRMRL
+#
+
+
+# Sets for output directory for executables and libraries.
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+
+
+set(CMAKE_C_VISIBILITY_PRESET hidden)
+set(CMAKE_CXX_VISIBILITY_PRESET hidden)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+
+# configure file groups
+set(EPANET_OUT_SOURCES  src/epanet_output.c
+                       ../util/errormanager.c)
+
+
+# the binary output file API
+add_library(epanet-output SHARED ${EPANET_OUT_SOURCES})
+target_include_directories(epanet-output PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include
+                                                ${CMAKE_CURRENT_SOURCE_DIR}/../)
+
+include(GenerateExportHeader)
+generate_export_header(epanet-output
+  BASE_NAME epanet_output
+  EXPORT_MACRO_NAME EXPORT_OUT_API
+  EXPORT_FILE_NAME epanet_output_export.h
+  STATIC_DEFINE SHARED_EXPORTS_BUILT_AS_STATIC)
+
+file(COPY ${CMAKE_CURRENT_BINARY_DIR}/epanet_output_export.h DESTINATION
+  ${CMAKE_CURRENT_SOURCE_DIR}/include)