Switch quick installation snippet fron curl/sh to brew install

app/views/docs/_install_homebrew.html.md

@@ -0,0 +1 @@
+    brew update && brew install asciinema

app/views/docs/_quick_install.html.md

@@ -0,0 +1,5 @@
+Install asciinema with:
+
+<%= render partial: "docs/install_homebrew" %>
+
+See other <%= link_to('installation options', docs_path(:installation)) %>.

app/views/docs/getting-started.html.md

@@ -4,7 +4,7 @@
 
 ## 1. Install the recorder
 
-<%= render partial: 'docs/script_install_and_other' %>
+<%= render partial: "docs/quick_install" %>
 
 ## 2. Record
 

app/views/docs/installation.html.md

@@ -8,8 +8,7 @@
 
 Homebrew:
 
-    brew update
-    brew install asciinema
+<%= render 'install_homebrew' %>
 
 MacPorts:
 

app/views/home/show.html.slim

@@ -11,7 +11,7 @@
           p
             '  
           p
-            button type="button" class="btn btn-success" data-toggle="popover" data-content="#{render partial: 'docs/script_install_and_other'}<p>Once installed start recording with:</p><pre>asciinema rec</pre>" Start Recording
+            button type="button" class="btn btn-success" data-toggle="popover" data-content="#{render(partial: 'docs/quick_install').gsub('"', "'")} <p>Start recording with:</p><pre>asciinema rec</pre>" Start Recording
           p
             ' Supports Linux and Mac OS X