TaggedTransaction API refinement
Merge pull request #246 from youyong205/biz

Biz
modify the plaintext decode
modify the log
remove log
modify the test
modify the log print
modify the log
modify the test
modify the testcase
Merge branch 'biz' of github.com:dianping/cat into biz
fix codec bug
fix nav tab
fix the cat problem, connect problem
modify the cat metric report and metric report
modify the log format
modify the log format
modify the testcase
modify the decode problem
add the domaingroup config