profile upload (a first implementation), similar to CgiUpload,

adds a new customprofiledir argument, a new file is created on each upload

brouter-server/src/main/java/btools/server/ServiceContext.java

@@ -11,6 +11,7 @@ import btools.router.OsmNodeNamed;
 public class ServiceContext
 {
   public String segmentDir;
+  public String customProfileDir;
   public Map<String,String> profileMap = null;
   public List<OsmNodeNamed> nogoList;
 }