Updates to docs errors.

docs/_ext/environmentSetup.py

@@ -0,0 +1,15 @@
+
+def supress_nonlocal_image_warn():
+    import sphinx.environment
+    sphinx.environment.BuildEnvironment.warn_node = _supress_nonlocal_image_warn
+
+def _supress_nonlocal_image_warn(self, msg, node):
+    from docutils.utils import get_source_line
+
+    if not msg.startswith('nonlocal image URI found:'):
+        self._warnfunc(msg, '%s:%s' % get_source_line(node))
+
+
+
+if __name__ == '__main__':
+    checkDependencies()