Refactoring CMake, md files

change lience to apache

REAMDE: fix link to homepage

Merge pull request #175 from bjoern-r/append_cr_feature

Append cr feature testcase

Merge pull request #143 from yonghuhaige/master

remove duplicated function, fix compiling

Merge pull request #143 from yonghuhaige/master

remove duplicated function, fix compiling

doc: change download list back to github

doc: change download list back to github

bugfix: call zlog_clean_rest_thread in exit() mutilple times

version: 1.2.10 bugfix & LGPL v3 -> LGPL v2.1