Force *.css files to text/css

Sometimes mod_mime_magic is passing css files as asm sources.

Change-Id: I38858b9e8c4aca27fd9ccb80f94dcb7c9281c81f

templates/logs.vhost.erb

@@ -23,6 +23,11 @@ NameVirtualHost <%= @vhost_name %>:<%= @port %>
     AddDefaultCharset UTF-8
     AddEncoding x-gzip gz
   </FilesMatch>
+  <FilesMatch \.css$>
+    # mod_mime_magic is sometimes passing css files as asm sources
+    # e.g css files generated by coverage reports
+    ForceType text/css
+  </FilesMatch>
   <Directory <%= @docroot %>>
     Options <%= @options %>
     AllowOverride None