Merge pull request #360 from SynBioDex/#359-operator-binding-site

Corrected the operator site label

Author: cjmyers

SBOLCanvasFrontend/src/assets/glyph_stencils/sequenceFeatures/operator.xml

@@ -1,5 +1,5 @@
 <shapes>
-<shape aspect="variable" centered="True" h="48" name="Bind (Binding Site)" strokewidth="inherit" w="48">
+<shape aspect="variable" centered="True" h="48" name="Op (Operator)" strokewidth="inherit" w="48">
     <connections />
     <foreground>
         <strokewidth width="2.88" />