[quagga/f17] (10 commits) ...Merge remote-tracking branch 'origin/master' into f17

[Adam Tkac]

Summary of changes:

  7176483... updated to latest upstream version 0.99.20.1 (*)
  7cb68b3... Fix package descriptions (*)
  2d3a5c9... Remove non-existing switch for NSSA support (*)
  2f90639... Remove unneeded hack to force PIE build (*)
  75d4e0e... Fix build and uninstall-trigger for '--without ipv6' option (*)
  ff438e6... Enable isisd build (actually fix #716561) (*)
  f301ef1... Set ownership of generated vtysh.conf properly (*)
  5a4dc4b... Only install configuration samples in /usr/share/doc (not / (*)
  ebcf8bb... Only include sample configuration files for daemons that ar (*)
  b2614f9... Merge remote-tracking branch 'origin/master' into f17

(*) This commit already existed in another branch; no separate mail sent