Reorganize cmake files into dedicated cmake directory

Signed-off-by: Brenden Blanco <bblanco@plumgrid.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 664a649..0178c3d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,8 @@
 
 enable_testing()
 
-include(scripts/GetGitRevisionDescription.cmake)
+include(cmake/GetGitRevisionDescription.cmake)
+include(cmake/version.cmake)
 get_property(LIB64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS)
 if(LIB64)
   set(LIBSUFFIX 64)
@@ -45,7 +46,6 @@
 set(CMAKE_CXX_FLAGS "-std=c++11 -Wall")
 endif()
 
-add_subdirectory(scripts)
 add_subdirectory(examples)
 add_subdirectory(src)
 add_subdirectory(tests)
diff --git a/scripts/GetGitRevisionDescription.cmake b/cmake/GetGitRevisionDescription.cmake
similarity index 100%
rename from scripts/GetGitRevisionDescription.cmake
rename to cmake/GetGitRevisionDescription.cmake
diff --git a/scripts/GetGitRevisionDescription.cmake.in b/cmake/GetGitRevisionDescription.cmake.in
similarity index 100%
rename from scripts/GetGitRevisionDescription.cmake.in
rename to cmake/GetGitRevisionDescription.cmake.in
diff --git a/scripts/bump_version.cmake b/cmake/bump_version.cmake
similarity index 100%
rename from scripts/bump_version.cmake
rename to cmake/bump_version.cmake
diff --git a/scripts/CMakeLists.txt b/cmake/version.cmake
similarity index 89%
rename from scripts/CMakeLists.txt
rename to cmake/version.cmake
index c23e3d1..1c43ae4 100644
--- a/scripts/CMakeLists.txt
+++ b/cmake/version.cmake
@@ -19,7 +19,5 @@
 
 # strip leading 'v', and make unique for the tag
 message(STATUS "Revision is ${REVISION}")
-set(REVISION "${REVISION}" PARENT_SCOPE)
 # rpm/deb packaging uses this, only works on whole tag numbers
 string(SUBSTRING "${GIT_TAG_LAST}" 1 -1 REVISION_LAST)
-set(REVISION_LAST "${REVISION_LAST}" PARENT_SCOPE)