Fixed set_nco_script so it computes correct NCO values for desired freq.
merge change sets
Merge branch 'master' of http://github.com/kb3gtn/mojo_modulator
update dcm to 160 MHz, updated ise project to include new source files.
Changed samplerate to 120 Msps
corrected issue in cos_phase_table_full
updated python set_nco_freq script to compute ftw for 120 Msps