Merge FracLac and AnalyzeSkeleton results together into one final cell-level data frame
merge_data.Rd'merge_data' merges your FracLac and AnalyzeSkeleton results by Name and ID, gets rid of non-numerical data, and brushes up feature names. The final output is a dataframe, where every row is a cell and every column is an identifier or one of 27 unique morphology features.