Fix labels, to be consistent (#2108)

* Fix labels, to be consistent

* s/icon/text

* Use a warning icon

_includes/sections/file-encryption.html

@@ -58,6 +58,7 @@
   <li><a href="https://cryptomator.org/">Cryptomator</a> - Free client-side AES encryption for your cloud files. Open source software: No backdoors, no registration.
     {% include badge.html
     color="warning"
+    text="Closed source"
     icon="fas fa-exclamation-triangle"
     link="https://github.com/cryptomator/cryptomator-android/issues/1#issuecomment-257979375"
     tooltip="Cryptomator's mobile apps are not open-source."
@@ -69,6 +70,7 @@
     {% include badge.html
     color="warning"
     icon="fas fa-exclamation-triangle"
+    text="Closed source"
     link="https://github.com/aonez/Keka#so-where-is-the-source-code"
     tooltip="This software is no longer open source."
     %}</li>
@@ -76,6 +78,7 @@
       {% include badge.html
       color="warning"
       icon="fas fa-exclamation-triangle"
+      text="Beta"
       tooltip="As Kryptor is still in beta, it may not be stable."
       %}</li>
 </ul>