Move cmake_modules -> cmake

Author: tsaubergine

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.7 FATAL_ERROR)
 project(goby3-examples C CXX)
 
-set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules/")
+set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/")
 
 if(((NOT DEFINED CMAKE_CXX_STANDARD) OR ("${CMAKE_CXX_STANDARD}" STREQUAL "03") OR ("${CMAKE_CXX_STANDARD}" STREQUAL "11") OR ("${CMAKE_CXX_STANDARD}" STREQUAL "14")))
   set(CMAKE_CXX_STANDARD 17)