- Use sqlite to save user data rather than text file.

- Done:
	- Load/Save tags, files and association between them from database
Fixed the release of log4cpp x64
clean up the folder and files
bug fixed: allow multiple " ' " in path of file/folder for SQL now.
the record for current file in table [FILES] will be deleted now when there is no any tag associated with it.
- Cmds for tags on ContextMenu are ok now.

- Entrance for defined cmds on ContextMenu are ok now, need to implement them.
- CommandString returnd in the right way now.
- the form for NewTag initialized.
Bug fixed: memory leak.

Print log of OS Version, but not sure why it is "Microsoft Windows Server 2008 R2, x64 Edition" on my Win7 x64.