Merge pull request #104 from choderalab/quickmodel

A few quick quickmodel updates

scripts/quickmodel.py

@@ -6,6 +6,9 @@
 #        or
 #        python quickmodel.py --inputs 'inputs_spectra_example' --type 'spectra'
 
+import matplotlib
+matplotlib.use('Agg')
+
 from assaytools import parser
 import matplotlib.pyplot as plt
 import string
@@ -137,7 +140,7 @@ def quick_model(inputs, nsamples=1000, nthin=20):
             plt.axvline(x=DeltaG_map,color='black')
             plt.xlabel('$\Delta G$ ($k_B T$)',fontsize=16);
             plt.ylabel('$P(\Delta G)$',fontsize=16);
-            plt.xlim(-35,-10)
+            plt.xlim(-20,-8)
             hist_legend = mpatches.Patch(color=(0.7372549019607844, 0.5098039215686274, 0.7411764705882353),
                         label = '$\Delta G$ =  %.3g [%.3g,%.3g] $k_B T$'
                         %(interval[1],interval[0],interval[2]) )