added gaussian weights, plotting
added match_stars
import skimage
pep8
can't set bool values individually
use .loc
Merge branch 'develop' into pipeline
adding image shift function
added translate_images
completed iamge_translation

works
'data frame' to 'dataframe'
replace 'frame' with 'image'

fixed #81
pep8
begin deleting ransac method
deleted least squares matching
deleting ransac
computing correct translation sign
attribution
added translation transformation
checkpoint