Moved code to new library: ResultStatisticsCache

Moved  RigStatisticsCalculator.h/.cpp, RigStatisticsDataCache.h/.cpp,
RigStatisticsMath.h/.cpp to new library ResultStatisticsCache.
ResInsight and some unit tests now link with this new library.

ApplicationCode/ResultStatisticsCache/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required (VERSION 2.8)
+
+project (ResultStatisticsCache)
+
+include_directories(
+	${LibCore_SOURCE_DIR}
+)
+
+add_library( ${PROJECT_NAME}
+	RigStatisticsCalculator.h
+	RigStatisticsCalculator.cpp
+	RigStatisticsDataCache.h
+	RigStatisticsDataCache.cpp
+	RigStatisticsMath.h
+	RigStatisticsMath.cpp
+)
+
+target_link_libraries(${PROJECT_NAME} LibCore)