bin/adb-expect: remove some white lines
bin/bare-env: run a bare env, so that others can use my script
bin/get-used-files: do not clobber the normal output
bin/overide/adb: use my-adb; find the true adb harder
bin/pretty: remove a while line
etc/udev/rules.d/90-bhj-personal.rules: fix usb permission

Signed-off-by: Bao Haojun <baohaojun@gmail.com>