Merge pull request #24 from haosdent/master

Fix tree set contains bug

Fix import.

Fix Logger class import error.

commit for 0.11 version release

Fix query with limit. found no result bug.

edit shutdownMiniCluster after stat conn close

Fix [Issue-17]: if select items are only storing columns with a column not found error

Fix [Issue-18]: condition with only one field, than greater than can't query any results

remove any unused @overide for jdk6 can be build

Fix [Issue-11]: condition won't work on negative number

update WebUi port 50030 to 60030

modify simpleDateFormat format string

Fix [Issue-10]: compare condition not working right

Add Intellij IDEA git ignore