V2.6.0.8[four new functions are added to the project]

1. when focusing on the building tree node ,pressing F2 can edit the
name of the node.
2.when scanning ,t3000 will remember the action in the log file
3.when starting ,t3000 can't find DB,it will create a default one .
4.Add IO name config dialog .[Database->IONameConfig]
Merge pull request #61 from ALEXLCC/master

V2.6.0.8[four new features are added to t3000]