Revert "cron"

This reverts commit 7bf78a1f5dd279a435110d22f2ccdf0a3e6d90b5.

	new file:   Makefile
	new file:   Makefile.obsolete
	new file:   aoi.exec.sh
	new file:   aoi.makefile
	new file:   assign_cluster_means.b4.sql
	new file:   assign_cluster_means.b7.sql
	new file:   batch.exec.sh
	new file:   exec.sh
	new file:   exec.subroutine.sh
	new file:   exec_grass.sh
	new file:   fonts.txt
	new file:   get.glcf.gls.sh
	new file:   identifyModelScence.sh
	new file:   integrateGTDS.sql
	new file:   integrateGTDS.wo_crowdsourcing.sql
	new file:   landsat_combinations.lst
	new file:   landsat_metadata.sql
	new file:   landsat_reject.lst
	new file:   llgc.b4.m
	new file:   llgc.b7.m
	new file:   llgc.lut.sql
	new file:   llgc_cnf_correction.R
	new file:   logistic_models.lst
	new file:   logistic_regression.R
	new file:   mosaic_mcd12q1.sh
	new file:   organizeProduct.sh
	new file:   retrieveScalingParam.sh
	new file:   sendEmail
	new file:   svm.R
	new file:   svm.predict.R
	new file:   urban.map
	new file:   wrs2.pr.lst
cron