Added peak lists for the 3-parameter exponential decay curve fitting.
The peak lists were copied from the ones for the 2-parameter fitting using:
svn cp test_suite/shared_data/curve_fitting/T2_ncyc11_ave.list test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc11_ave.list
svn cp test_suite/shared_data/curve_fitting/T2_ncyc11b_ave.list test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc11b_ave.list
svn cp test_suite/shared_data/curve_fitting/T2_ncyc1_ave.list test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc1_ave.list
svn cp test_suite/shared_data/curve_fitting/T2_ncyc1_ave.lisbt test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc1b_ave.list
svn cp test_suite/shared_data/curve_fitting/T2_ncyc2_ave.lisbt test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc2_ave.list
svn cp test_suite/shared_data/curve_fitting/T2_ncyc1b_ave.list test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc1b_ave.list
svn cp test_suite/shared_data/curve_fitting/T2_ncyc2_ave.list test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc2_ave.list
svn cp test_suite/shared_data/curve_fitting/T2_ncyc4_ave.list test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc4_ave.list
svn cp test_suite/shared_data/curve_fitting/T2_ncyc4b_ave.list test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc4b_ave.list
svn cp test_suite/shared_data/curve_fitting/T2_ncyc6_ave.list test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc6_ave.list
svn cp test_suite/shared_data/curve_fitting/T2_ncyc9_ave.list test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc9_ave.list
svn cp test_suite/shared_data/curve_fitting/T2_ncyc9b_ave.list test_suite/shared_data/curve_fitting/T1_inv-recov_ncyc9b_ave.list