Merge pull request #1959 from lprelle/translate_donate_button

move _donate.html.erb to _donate.html.haml and make it translateable

app/views/shared/_donate.html.erb

-
-<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
-<input type="hidden" name="cmd" value="_s-xclick">
-<input type="hidden" name="hosted_button_id" value="<%= AppConfig[:paypal_hosted_button_id] %>">
-<input type="hidden" name="on0" value="Type">
-<input type="hidden" name="modify" value="2">
-<select name="os0">
-	<option value="Mocha">Mocha : $3.00USD</option>
-	<option value="Americano">Americano : $5.00USD</option>
-	<option value="Box o' Joe">Box o' Joe : $20.00USD</option>
-</select>
-<input type="hidden" name="currency_code" value="USD">
-<input type="submit" name="submit" value="Donate">
-</form>
-

app/views/shared/_donate.html.haml

+%form{:action => "https://www.paypal.com/cgi-bin/webscr", :method => "post"}
+  %input{:name => "cmd", :type => "hidden", :value => "_s-xclick"}
+  %input{:name => "hosted_button_id", :type => "hidden", :value => AppConfig[:paypal_hosted_button_id]}
+  %input{:name => "on0", :type => "hidden", :value => "Type"}
+  %input{:name => "modify", :type => "hidden", :value => "2"}
+  %select{:name => "os0"}
+    %option{:value => "Mocha"} Mocha : $3.00USD
+    %option{:value => "Americano"} Americano : $5.00USD
+    %option{:value => "Box o' Joe"} Box o' Joe : $20.00USD
+  %input{:name => "currency_code", :type => "hidden", :value => "USD"}
+  %input{:name => "submit", :type => "submit", :value => t('aspects.index.donate')}