Ignore the vimperator file

Signed-off-by: Qian Lei <qianlei90@gmail.com>
gitconfig: Add sendemail configure

Signed-off-by: Qian Lei <qianlei90@gmail.com>
vimrc: Add function to set python style when edit python files

Signed-off-by: Qian Lei <qianlei90@gmail.com>