SSB-42: preliminary implementation of the datacontainers objects

.gitignore

+CAL/CalibrationCommon/test/*.pytest_cache
 CEP/Calibration/BBSControl/Makefile.common
 CEP/Calibration/BBSControl/autoconf_share
 CEP/Calibration/BBSControl/lofarconf

CAL/CalibrationCommon/lib/coordinates.py

@@ -9,7 +9,6 @@ from astropy.utils import iers
 iers.IERS.iers_table = iers.IERS_A.open(download_file(iers.IERS_A_URL, cache=True))
 
 
-
 def lm_from_radec(ra, dec, ra0, dec0):
     r'''
     Calculate direction cosines given a right ascension and

CAL/CalibrationCommon/lib/utils.py

-from classes import *
+from lofar.calibration.common.datacontainers import *
 import os
 from glob import glob