Bump to JGit 4.0.0

Luca Milanesio

2015-06-12 a1cee65c7242f69f7e35978d98cea391095d7225

 src/main/java/com/gitblit/wicket/panels/HistoryPanel.java

@@ -116,7 +116,7 @@
               }

            } catch (Exception e) {

            } finally {

               tw.release();

               tw.close();

            }

         }

      }