v21.0.0

<a name"21.0.0">

21.0.0 (2017-03-20)

Features

• Section: Deprecate section groups and slim sections (#163) (a88fe89b)

Breaking Changes

• The "group" and "slim" props no longer have any effect on Section components
  (a88fe89b)

Upgrade guide

Remove slim sections:

-<Section slim>
+<Section className={styles.slim}>

+.slim {
+  padding-top: 0;
+  padding-bottom: 0;
+}

Remove section groups (note that you'll need to manually adjust whitespace):

-<Section group>
  <Section>...</Section>
  <Section>...</Section>
  <Section>...</Section>
-</Section>