Genderchanged string 'Lieferant'

* Since s.b. started this already. I changed every string 'Lieferant' to
 'Lieferantin' to give note on female existance in this world :-)

app/views/finance/balancing/index.haml

@@ -9,7 +9,7 @@
         %tr
           %th Datum
           %th Betrag
-          %th Lieferant
+          %th Lieferantin
           %th
       %tbody
         - for invoice in @unpaid_invoices
@@ -48,7 +48,7 @@
       %table.list
         %thead
           %tr
-            %th Lieferant
+            %th Lieferantin
             %th Ende
             %th Betrag(FC)
             %th 

app/views/finance/invoices/_form.html.haml

@@ -8,7 +8,7 @@
   - if @invoice.order
     %p= "Diese Rechnung ist mit einer #{link_to "Bestellung", @invoice.order} verknüpft."
   %p
-    Lieferant
+    Lieferantin
     %br/
     = f.select :supplier_id, Supplier.all.collect { |s| [s.name, s.id] }
   %p

app/views/finance/invoices/index.html.erb

@@ -4,7 +4,7 @@
   <thead>
     <tr>
       <th>Nummer</th>
-      <th>Lieferant</th>
+      <th>Lieferantin</th>
       <th>Datum</th>
       <th>Bezahlt am</th>
       <th>Betrag</th>

app/views/finance/invoices/show.html.haml

@@ -1,7 +1,7 @@
 - title "Rechnung #{@invoice.number}"
 
 %p
-  %b Lieferant:
+  %b Lieferantin:
   =h @invoice.supplier.name
 - if @invoice.delivery
   %p