[libvirt] [PATCHv2 0/10+] error message cleanup

I've done some more work on error cleanup, expanding 3 patches of v1 into 10 patches, with more still to be written. See individual patches for more comments. bootstrap.conf | 1 + cfg.mk | 5 +- src/datatypes.c | 127 +++++++++++---- src/libvirt.c | 94 ++++++----- src/security/virt-aa-helper.c | 141 ++++++++-------- src/storage/storage_backend.c | 2 +- src/util/virterror.c | 374 +++++++++++++--------------------------- src/xen/xend_internal.c | 5 +- tests/cpuset | 4 +- tests/undefine | 4 +- 10 files changed, 352 insertions(+), 405 deletions(-) Net reduction in lines of code is a good thing. [PATCHv2 01/10] virt-aa-helper: translate error messages [PATCHv2 02/10] build: use gnulib func module [PATCHv2 03/10] datatypes: avoid redundant __FUNCTION__ [PATCHv2 04/10] virErrorMsg: refactor to simplify common case [PATCHv2 05/10] virterror: start messages with lower case [PATCHv2 06/10] virterror: clean up VIR_ERR_HTTP_ERROR usage [PATCHv2 07/10] virterror: clean up VIR_ERR_XML_DETAIL usage [PATCHv2 08/10] virterror: clean up several seldom-used errors [PATCHv2 09/10] virterror: clean up VIR_ERR_INVALID_NETWORK usage [PATCHv2 10/10] virterror: clean up VIR_ERR_INVALID_INTERFACE usage [PATCHv2 N/N] to be written, after feedback on this round