separate level-1 markers with 8 blank lines and level-2 markers with 4 blank lines
do not indent sections by marker defining
add core.edit
add new sections
delete a comment
delete level-2 markers (Neobundle.*)
move `Neobundle 'Shougo/vimshell'`
delete unite.vim and unite-plugins
delete vimshell
delete unnecessary blank lines
add level-2 markers (Neobundle.*)
sort the NeoBundle.Main section
do not load my unite.vim settings
do note load my vimshell settings
rm .vimrc.VimShell
rm .vimrc.Unite
remove vim-easymotion
remove vim-indent-guides
do not load .vimrc.VimIndentGuides
rm .vimrc.VimIndentGuides