support pinGlobalTxToPhysicalConnection setting.
Merge pull request #386 from pathfinder-name/branches/jta

support pinGlobalTxToPhysicalConnection setting.
deleted some code that not used.
corrected the menu's index in some page.
Merge branch 'master' of https://github.com/alibaba/druid
Merge pull request #387 from yunnysunny/master

监控解密的小改动
fix head navigation bar not show up problem in firefox browser
Merge pull request #391 from shrekwang/master

解决firefox浏览器下, 导航条不显示的问题
Merge remote-tracking branch 'upstream/master'