bug fix: wrong meta data format
add more modes of self calibration
add crop image function
improve selfcalibration function
remove maskedge option
user can change searching range in self calibration
change the default width of slab in self calibration
bug fix: loading tif mask
bug fix: metric of residual in selfcalibration
Avoid unsettling zero-division warnings.
bug fixed: bin_number not updated for different cropedges
add qrange for selfcalibration
Merge branch 'master' of git@github.com:diffpy/diffpy.srxplanar.git
change the default behavior of minimize function
show results in the last step
update the plot function in self calibrate
remove pyface.GUI
Merge branch 'develop'