doc: revise my poor English manual.It is done by a guy who want to be anonymous. Thanks for him!
bugfix: when multiple processes write to one static file with rotation, not the newest file but archive files will be appended.
smooth: accurate time cost after the last bugfix
Corrected spelling and grammatical issues
bugfix: while sscanf, nread not initialised
fix issue #21 build fail also updated example code in document
update test_syslog.conf to fix issue 24
code: gcc warning for nscan not used
Merge remote branch 'insop/fix-issue-23'

Conflicts:
	src/rotater.c
bugfix: memory errors when doing zlog_init/zlog_fini multiple times
version: 1.2.9, a bugfix version
version: the real 1.2.9, fix another bug from buf.c when input is longer than buffer size
Merge branch 'master' of git://github.com/HardySimpson/zlog
merge to v1.2.9