Merge pull request #317 from wenshao/master

bug fixed
Merge pull request #318 from wenshao/master

bug fixed for exception sorter
Merge pull request #319 from wenshao/master

StatFilter mergeSql support tddl
Merge pull request #320 from wenshao/master

fixed testcase
Merge pull request #321 from wenshao/master

fixed testcase
Merge pull request #322 from wenshao/master

fixed testcase
Merge pull request #323 from wenshao/master

fixed testcase
Merge pull request #324 from wenshao/master

fixed testcase
Merge pull request #325 from wenshao/master

bug fixed for exception sorter
Merge pull request #326 from wenshao/master

lazy init DruidDriver's Logger
Merge pull request #327 from wenshao/master

bug fixed for osgi
Merge pull request #328 from wenshao/master

0.2.7
增加slf4j日志实现
Merge pull request #331 from bohrqiu/master

add slf4j log implementation
Merge pull request #332 from wenshao/master

request for bulk integrate
Merge pull request #336 from wenshao/master

request for bulk integrate
0.2.18