switch old deprecated sh syntax `...` to new approved $(...)master
tree5f713befd9def90d5d4747f19c62bd1cb5cbe3be
-rw-r--r-- 42 .gitignore
-rw-r--r-- 341 Makefile
-rwxr-xr-x 12419 hg-fast-export.py
-rwxr-xr-x 3035 hg-fast-export.sh
-rw-r--r-- 2445 hg-fast-export.txt
-rwxr-xr-x 4525 hg-reset.py
-rwxr-xr-x 1519 hg-reset.sh
-rwxr-xr-x 3344 hg2git.py
-rw-r--r-- 6336 svn-archive.c
-rw-r--r-- 5227 svn-fast-export.c
-rwxr-xr-x 5558 svn-fast-export.py