Explicitly set the umask for daemon in Debian init script

As discovered by danielbeck in #jenkins, daemon(1) does not inherit the parent
process's umask. The --umask flag is the means to set it explicitly.

[FIXED JENKINS-7478] Correct Line Endings for Batch Files

Updating javadoc of Plugin, LabelAtomProperty, GlobalConfiguration with ...

[FIXED JENKINS-15576] Label's Load Statistics queue length based on label assigned to job rather than to item in build queue.

Integrated the fix in remoting to Jenkins 1.580.

[FIXED JENKINS-24625] Set background color on input elements

[FIXED JENKINS-21881] System property for disabling X-Frame-Options

Enlarge and move Jenkins head icon