Add --dual2single option to resample the FBD acquisitions to FBS mode, to better support regular interferometry. Default is off, so all previous setting won't be affected
uncompressFile.py: support multiple sub-layers of folders uncompressing
prepRawALOS.py:
1. add get_ALOS_ALP_name() to support the compressed ALOS file that is not named with "ALP*", such as the ones from PIXEL
2. remove duplicated inputDir, outputDir and rmfile, as they are in the Namespace inps object already.
3. move the inputDir and outputDir abspath from main() to cmdLineParse()
4. basic formating adjustment