merged changes between nginx-1.2.4 and nginx-1.2.5
updated the information of README.markdown
fixed the id prameter
Merge pull request #116 from zhuzhaoyuan/merge-nginx-1.2.5

merged changes between nginx-1.2.4 and nginx-1.2.5
cool！
Merge pull request #119 from zhuzhaoyuan/update-readme

updated the information of README.markdown
released Tengine-1.4.2
Merge pull request #122 from yaoweibin/tengine-1.4.2-2

released Tengine-1.4.2
remove unused variable in sysguard
bumped version
Merge pull request #124 from lifeibo/sysgurad_var

remove unused variable in sysguard
Merge pull request #125 from zhuzhaoyuan/bump-to-1.4.3

bumped version
fixed a segment fault bug with upstream check module when check timeout is longer than the check interval
change data type "ngx_int_t" to "int" to get rid of the compilation warning "comparision is always true".
removed the unnecessary parentheses
removed the macro NGX_HTTP_UPSTREAM_ID check expression
Merge pull request #129 from yaoweibin/fixed_check2

fixed a segmentation fault bug with upstream check module
Sysguard not work on mac os.
updated the description of README and README.markdown
Merge pull request #131 from lifeibo/sysguard2

fixed Sysguard not work on mac os.
2nd version