[banshee/grid] (12 commits) ...Merge branch 'master' into grid

[Aaron Bockover <abock src gnome org>]

Summary of changes:

  0f58bed... [osx] avoid NRE in BaseClientWindow, enable quit (*)
  0ae1d5b... [build] ensure an environment is sourced if one exists (*)
  ee2569a... Update NEWS in prep for 1.5.3 (*)
  dd99317... [build] Always build Migo, regardless of --disable-podcast (*)
  843f4b3... [HttpUtility] Copy to Hyena from System.Web (*)
  da4d924... [HttpUtility] Nuke System.Web.Util dep (*)
  34bd2be... Bundle HttpUtility in Hyena to drop dependency on System.We (*)
  0d7e85f... Delete Hyena/HttpUtility, didn't mean to push that (*)
  c8c361e... [grid] fix small comparison bug on ColumnCellAlbum
  9b87e8a... [csproj] project update from monodevelop
  f8dac0a... [grid] invalidate last icell on adjustment change
  ed93d11... Merge branch 'master' into grid

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