update git-stat

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
pactest: add --installed/--local options

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
pactest: remove binary check

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
git-foreach: remove perl 5.014 requirement

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
git-foreach: use Getopt::Long auto_help

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
git-foreach: improve symbolic ref handling

* use the symbolic name as the final ref instead of a separate checkout
* if a single commit is given use that as the symbolic name

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
git-foreach: expand documentation

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
git-stat: add net LOC change column

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
add git-blamestat

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
add stree

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
rename threasafetycheck -> checkthreadsafety

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
add git-publish

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
add rr

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>