Merge branch 'nina/improve-wording' into 'master'

Improve wording

Closes #50

See merge request !82

_includes/home_tiles.html

 <div class="tile is-ancestor">
   <div class="tile is-parent">
     <article class="tile is-child">
-      <p class="console">{{ page.title }}: {{ page.subtitle }}</p>
+      <p class="console">{{ page.subtitle }}</p>
     </article>
   </div>
   <div class="tile is-parent">
@@ -17,7 +17,7 @@
     <article class="tile is-child">
       <p class="title">How it works</p>
       <div class="content">
-        <p>Schleuder is a group's email-gateway: subscribers can exchange encrypted emails among themselves, receive emails from non-subscribers and send emails to non-subscribers via the list.</p>
+        <p>Schleuder is a group's email-gateway: subscribers can exchange OpenPGP-encrypted emails among themselves, receive emails from non-subscribers and send emails to non-subscribers via the list.</p>
         <a href='{{ "schleuder/docs/concept.html" | absolute_url }}'>More</a>
       </div>
     </article>
@@ -41,4 +41,4 @@
     </article>
   </div>
 
-</div>
\ No newline at end of file
+</div>

index.md

 ---
 layout: home
 title: Schleuder
-subtitle: A gpg-enabled mailing list manager with remailing-capabilities.
+subtitle: Schleuder is an encrypting mailing list manager with remailing-capabilities
 ---
 
 {% include home_tiles.html %}

schleuder/docs/concept.md

@@ -4,7 +4,7 @@ title: Concept
 
 {% include docs-head.md version=3.4 %}
 
-Schleuder is a gpg-enabled mailing list manager with resending capabilities. This document tries to explain what that means.
+Schleuder is an OpenPGP-enabled mailing list manager with resending capabilities. This document tries to explain what that means.
 
 
 ## An email hub for groups