adds verbose in builder
adds basid __str__ in aam
renames diagonal_range parameter
adds progress bar in text_utils.py
adds space in text_utils.py
adds new_line in print_dynamic
adds percentage in warping images
adds progress percentage to the rest of aam builder
refines dynamic printing of aam building
removes useless _mask_image function
Merge remote-tracking branch 'upstream/master' into aambuilder_fixes
fixes bug in shape models of smooth and gaussian cases
fixes the aam building process, fixes bug
adds checks for build parameters
renames scaled_levels to scaled_shape_models
fixes scaled_shape_levels and __str__
DX, DP added to Affine Family

Note that this will break unit tests that use Affine in the fit
package - this is to be expected.
Implements DX, DL for PWA
moves the fit package over to using d_dp
DL and DX for TPS and RBF. Improved TPS d_dl.