Pull Request for Issue1071: SXRMB - solve crash issue when exporting plain text data for 2D scan 

https://github.com/acquaman/acquaman/issues/1071

Altered:
 - SXRMB2DScanActionController: change the Ascii exporting format as SXRMBXASDefault to match the setting of SXRMBAppController
 - add the "-j n" option to the buildProject script

@dretrex @davidChevrier