Trying to have more readable boxplots.

libhts/libhts.py

@@ -284,10 +284,13 @@ def plot_counts_distribution(data, xlabel):
 
 
 def plot_boxplots(data, ylabel):
-    ax = data.plot.box()
+    fig = plt.figure(figsize=(6, 12))
+    ax = fig.add_subplot(111)
+    data.plot.box(ax=ax)
     ax.set_ylabel(ylabel)
     for label in ax.get_xticklabels():
         label.set_rotation(90)
+    plt.tight_layout()
 
 
 # Cutoffs in log fold change