update 20140102
Update 20140103

1.Implement class CBaseRaster
2.Implement class CTiffRaster
Add the SetGrdInfo function for TiffRaster
Update 201401031401

1.Implement CJPEGRaster class.
2.Change the Open method of CBaseRaster class to support .*hdr file.
Move the GDALAllRegister method to the construct function of CBaseRaster class
Update 201401031638

1.Implement CSatRaster class.
Update 201401031721

1.Modify the implement of the interface of Image driver.
fix an error
Update 201401060847

1.Fix an error of .hdr format when openning image.
Update 201401061314

1.Fix an error of GetGridInfo method in CTiffRaster class.
Change SetGrdInfo method in CBaseRaster class
A little change
Update 201402100952

1.Delete some codes that is repetitive.
2.Add Read/Write lock when handle the lut file.