3 0. added lines in the molread subroutine in readrtns_min.F file
4 to read dfa_weight functions, WDFA, "wdfa" variable is added in COMMON.FFIELD
6 0-1. added lines in readrtns_min.F to print out dfa weights!
7 0-2. add subroutines to setup DFA variables & "READ fragment info"
11 1. added "gdfa_dist, gdfa_tor, gdfa_nei, gdfa_beta" to COMMON.DERIV
13 2. changed n_ene in DIMENSIONS from 23 to 27, since DFA has four terms......