Update gitconfig files

move sample files (corrected .gitconfig files from several PCs) into base sub directory.
extract configs to separate files and saved in config sub directory.
Add automation by rake

Installation make backups before overwrite original .gitconfig
Add Makefile for git but it may not work (NO TEST)
Move sample files into sample sub-directory.
Extract config about Japanese text.

Encoding check, etc.
Create files about Neobundle
Extract bakup setting
Add mode line to my.txt in vim/sample

add filetype
Create vimrc for general purpose.
move japanese vim into config sub-directory.
Create vimrc about Looks
add config about xml
Add config for fortran
update bundle vim

comment out several packages.
add neocomplcache
Create Rakefile for install vimrc.

automatically nebundle is also installed.