* fix issue #2258

* fix #2097 #1947

* remove Description and date tag

* split the diferent version to different plugins

* resolve conflict

* record all ips on multiple host mode of mysqlconnector-5x

* fix jdk 6.x

* optimise the code

* optimise code

* modify class name

* fix #2097 #1947

* i do not think it is a good idea to move the Instrumentation to mysql-common,the better way is extract a public method to return the InteceptorPionts in mysql-common

* fix #2097 #1947

* remove witnessClasses of subclasses