Log Message:
Update to 1.509.1

Changelog:
What's new in 1.509.1 (2013/05/01)

    FilePath.installIfNecessaryFrom routes download over remoting channel (issue \ 
17330)
    Add 'Are you sure' on Reload configuration from disk (issue 15340)
    MavenAbstractArtifactRecord.doRedeploy should require POST (SECURITY-69)
    Hover-over "Build Now" broken for parameterized jobs: "This \ 
page expects a form submission" (issue 17110)
    XSS issue, where an internal attacker can cause a remote stylesheet to be \ 
loaded and containing scripts executed. (SECURITY-67)
    CVE-2013-1808 stapler-adjunct-zeroclipboard: XSS via copying XSS payload \ 
into buffer (SECURITY-71)
    Jenkins.doEval checks ADMINISTER rather than RUN_SCRIPTS; doScript CSRF \ 
(SECURITY-63)
    Jenkins is no more WinXP compliant : CreateSymbolicLinkW is not available \ 
(issue 17343)