add shortkey for insert TAB and SPC

Signed-off-by: Micky Ching <mickyching@163.com>
simplify search current word shortkey

Signed-off-by: Micky Ching <mickyching@gmail.com>
fix cscope jump key setting

Signed-off-by: Micky Ching <mickyching@gmail.com>
fly-checker
elpa: add flycheck

Signed-off-by: Micky Ching <mickyching@gmail.com>
add

Signed-off-by: Micky Ching <mickyching@gmail.com>