Merge pull request #157 from issp-center-dev/develop

Merge Develop to master (for v.3.5.2)

Merge pull request #131 from issp-center-dev/release

Release

don't specify docclass (use default)

update version number

mv samples/old/Wannier

update version_patch number

delete unused variables and set initialze value

upadte manual

delete needless files

update to use CMake for making documents