Convert to refutils v0.1

• Gitignore to ignore turb files and git version
• Make zip file on release, test_ci and tags
• Base htc file to 100-s steady wind

dtu-10mw-rwt/htc/DTU_10MW_RWT.htc

 ; DTU 10MW RWT. https://gitlab.windenergy.dtu.dk/hawc-reference-models/dtu-10-mw
 ; 
 begin simulation;
-  time_stop    700.0;  total time to simulate
+  time_stop    100.0;  total time to simulate
   solvertype   1 ;  1=dense newmark, 2= sparse newmark (12.7+)
   on_no_convergence continue ;
   convergence_limits 1E3 1.0 1E-7 ;
@@ -290,26 +290,16 @@ end new_htc_structure;
 ;---------------------------------------------------------------------------------------------------------------------------------------------------------------- 
 begin wind ;  wind input to structure
   density                 1.225 ;
-  wsp                     24.0   ;
-  tint                    0.157   ;  iec: i_ref*(0.75*U+5.6)/U
+  wsp                     8.0   ;
+  tint                    0.0   ;  iec: i_ref*(0.75*U+5.6)/U
   horizontal_input        1     ;
   windfield_rotations     0.0 0.0 0.0 ;    yaw, tilt, rotation
   center_pos0             0.0 0.0 -119 ; hub height
   shear_format            3 0.2 ;  0=no mean wind, 1=constant, 2=log, 3=power, 4=linear
-  turb_format             1     ;  0=none, 1=mann,2=flex
-  tower_shadow_method     3     ;  0=none, 1=potential flow, 2=jet, 3=potential flow 2
+  turb_format             0     ;  0=none, 1=mann,2=flex
+  tower_shadow_method     0     ;  0=none, 1=potential flow, 2=jet, 3=potential flow 2
   wind_ramp_factor   0.0 40.0 0.5 1.0 ;  ramp wind from 50% to 100% starting at 0s and ending at 40s
 ; 
-  begin mann;  mann turbulence parameters
-    create_turb_parameters 29.4 1.0 3.9 1001 0 ;
-    filename_u ./turb/DTU_10MW_RWT_turb_u.bin ;
-    filename_v ./turb/DTU_10MW_RWT_turb_v.bin ;
-    filename_w ./turb/DTU_10MW_RWT_turb_w.bin ;
-    box_dim_u 8192 1.7578125 ; U*T/n_u
-    box_dim_v 32 5.80645 ; wid/(n_v-1)
-    box_dim_w 32 5.80645 ; ht/(n_w-1)
-  end mann;
-;
   begin tower_shadow_potential_2;
     tower_mbdy_link tower;
     nsec  2;