Merge branch 'rs/code-cleaning'

* rs/code-cleaning:
remote-testsvn: use internal argv_array of struct child_process in cmd_import()
bundle: use internal argv_array of struct child_process in create_bundle()
fast-import: use hashcmp() for SHA1 hash comparison
transport: simplify fetch_objs_via_rsync() using argv_array
run-command: use internal argv_array of struct child_process in run_hook_ve()
use commit_list_count() to count the members of commit_lists
strbuf: use strbuf_addstr() for adding C strings

diff --cc builtin/blame.c
Simple merge

diff --cc builtin/commit.c
Simple merge

diff --cc commit.c
Simple merge

diff --cc path.c
Simple merge

diff --cc pretty.c
Simple merge