Git 2.1.1

1. ff857e4 argv-array: drop "detach" code by Jeff King · 12 years ago
2. 9fe3edc Add the LAST_ARG_MUST_BE_NULL macro by Ramsay Jones · 12 years ago
3. eccb614 use "sentinel" function attribute for variadic lists by Jeff King · 12 years ago
4. 530f237 Merge branch 'fa/remote-svn' by Jeff King · 13 years ago
5. df7428e Add argv_array_detach and argv_array_free_detached by Florian Achleitner · 13 years ago
6. fe4a0a2 argv-array: add pop function by Jeff King · 13 years ago
7. d15bbe1 argv-array: add a new "pushl" method by Jeff King · 14 years ago
8. fd93d2e argv-array: refactor empty_argv initialization by Jeff King · 14 years ago
9. c1189ca refactor argv_array into generic code by Jeff King · 14 years ago