german translation improved (thanks to Daniel Weinand)

git-svn-id: http://redmine.rubyforge.org/svn/trunk@361 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/mailer/document_add_de.rhtml

@@ -1,4 +1,4 @@
-A document has been added to <%= @document.project.name %> (<%= @document.category.name %>):
+Ein Dokument wurde hinzugefügt: <%= @document.project.name %> (<%= @document.category.name %>):
 <%= l(:field_title) %>: <%= @document.title %>
 
 http://<%= Setting.host_name %>/documents/show/<%= @document.id %>

app/views/mailer/issue_add_de.rhtml

@@ -1,3 +1,3 @@
-Issue #<%= @issue.id %> has been reported.
+Ticket Nr. #<%= @issue.id %> wurde erstellt.
 ----------------------------------------
 <%= render :file => "_issue", :use_full_path => true, :locals => { :issue => @issue } %>

app/views/mailer/issue_edit_de.rhtml

@@ -1,4 +1,4 @@
-Issue #<%= @issue.id %> has been updated.
+Ticket #<%= @issue.id %> wurde aktualisiert.
 <%= @journal.user.name %>
 <% for detail in @journal.details %>
 <%= show_detail(detail, true) %>

app/views/mailer/lost_password_de.rhtml

@@ -1,3 +1,3 @@
-To change your password, use the following link:
+Benutzen Sie folgenden Link, um das Password zu ändern:
 
 http://<%= Setting.host_name %>/account/lost_password?token=<%= @token.value %>

app/views/mailer/register_de.rhtml

@@ -1,3 +1,3 @@
-To activate your redMine account, use the following link:
+Um Ihren Account zu aktivieren, benutzen Sie folgenden Link:
 
 http://<%= Setting.host_name %>/account/register?token=<%= @token.value %>