Merge branch 'ticket/169' into develop

diff --cc src/main/java/com/gitblit/servlet/AccessRestrictionFilter.java
Simple merge

diff --cc src/main/java/com/gitblit/servlet/BranchGraphServlet.java
Simple merge

diff --cc src/main/java/com/gitblit/servlet/DownloadZipFilter.java
Simple merge

diff --cc src/main/java/com/gitblit/servlet/SyndicationServlet.java
Simple merge