Refactoring of IIS build scripts

iis/dependencies/build_cmake.bat

@@ -0,0 +1,20 @@
+@cd "%WORK_DIR%"
+
+@if NOT EXIST "%SOURCE_DIR%\%CMAKE%" goto file_not_found
+
+
+@7z.exe x "%SOURCE_DIR%\%CMAKE%"
+@if NOT (%ERRORLEVEL%) == (0) goto something_went_wrong
+
+@exit /B 0
+
+:file_not_found
+@echo File not found: %SOURCE_DIR%\%CMAKE%
+@goto failed
+
+:something_went_wrong
+@echo Something went wrong while unzip CMake files.
+@goto failed
+
+:failed
+@exit /B 1