remove libtim
x,y -> row,col format

Changed to explicitly state for unwrapping if it's col or row instead of
x or y to fix an issue with C code reversing the convention the rest of
the library used.
Add calc_phase_python

Added old python implementation to test timing between updated numpy and
cython.
validation code

Some scripts to read in 4sight surface data directly to validate python
scripts with 4sight circular-9 algorithm.
Zernike timing

zernike timing to test against new zernike code being worked on
n,m debug

print n,m coeff