Updates in preparation for 3.0.0beta2:

Updates in preparation for 3.0.0beta2:

* Config Editor "Save" button is now always visible, but greyed out
  until there are changes to save.

* Config editor allows other tabs to be selected when there is an
  error, which allows you to fix an error (eg: missing binary) in
  an exiting config file.  Errors are now displayed at the top of
  the page in addition to next to the erroneous setting.

* Fixed config.pl editor writing to solve bug with multi-line text
  strings ending in newline.  Reported and root caused by Les Stott
  and Jerry Groendyke.

* Fixed error recovery case in BackupPC::PoolWrite, reported by
  Samuel Bancal.

* New directory/file/hardlink and symlink image icons from Jono
  Woodhouse, making directory browse more compact.

* Reordered the Server navigation bar links, suggested by David Relson.

* Fixed typos in init.d/src/gentoo-backuppc, configure.pl and config.pl
  reported by David Relson.