refactoring center of dipole

git-svn-id: https://svn.sourceforge.jp/svnroot/molds/trunk@1617 1136aad2-a195-0410-b898-f5ea1d11b9d8
release note for 0.3.1 is added. 

git-svn-id: https://svn.sourceforge.jp/svnroot/molds/trunk@1618 1136aad2-a195-0410-b898-f5ea1d11b9d8
README in src/tools/paramYZ is updated. #32852

git-svn-id: https://svn.sourceforge.jp/svnroot/molds/trunk@1619 1136aad2-a195-0410-b898-f5ea1d11b9d8
Zn is added to MNDO, AM1, and PM3. However, dipole moment can not be calculated yet. #32866

git-svn-id: https://svn.sourceforge.jp/svnroot/molds/trunk@1620 1136aad2-a195-0410-b898-f5ea1d11b9d8
GTO expansions of STO of 4s, 4p, and 4d is added. #32866

git-svn-id: https://svn.sourceforge.jp/svnroot/molds/trunk@1621 1136aad2-a195-0410-b898-f5ea1d11b9d8
Zn atom is added to Makefile_GNU. #32866

git-svn-id: https://svn.sourceforge.jp/svnroot/molds/trunk@1622 1136aad2-a195-0410-b898-f5ea1d11b9d8