zc_hashtable.c: add missing zc_error() argument in zc_hashtable_remove()

It still work because zc_error() will print something on stack if required
argument didn't given, but it does not do things we expected.
Merge pull request #41 from mofaph/add-missing-argument

zc_hashtable.c: add missing zc_error() argument in zc_hashtable_remove()
version: 1.2.12
doc: change download list back to github
Updated makefile to allow for DESTDIR

Allows the makefile to install to a root defined by DESTDIR, if DESTDIR is provided in the command line.  Otherwise, it installs to the default location
Fix Darwin version numbering
Fix -install_name for dynamic library under OSX
code: add support for all syslog facilities, see https://github.com/HardySimpson/zlog/issues/43
Merge pull request #45 from igorefremov/patch-1

Updated makefile to allow for DESTDIR
Merge pull request #46 from basho/bugfix/osx-version-12

Fix Darwin version numbering
Merge branch 'tmp'

Conflicts:
	src/makefile
test: add long log test, as someone told me long log maybe lost
doc: fit github's README.md
GettingStart-CN.txt typo
doc: try readme.md again
doc: for README.md again
doc: for README.md agag
doc: rd agagag
Merge pull request #50 from darrenfang/patch-1

GettingStart-CN.txt typo
GettingStart-CN.txt typo