Import gettext-0.18.1.1.
Merge branch 'stable'
Merge branch 'stable'
Merge branch 'stable'
Add "Check for updates" menu entry on Windows.
Report nonexistent directory when updating from sources.
Merge branch 'refs/heads/stable'
Merge branch 'stable'
Move OnWinsparkleCheck() into PoeditApp.
OS X: Remove language choose from preferences.

Now that Poedit picks the right language automatically, there's no need.
Merge branch 'stable'
Add shortcuts to Find window buttons.
Merge branch 'stable'
Add menu entries for Find next/prev commands.

This couldn't be done on the stable branch because of addition of new
strings. Also use a Find submenu on OS X, as is the standard.

See #283.
Nicer formatting of the conversion failure error.
Merge branch 'stable'
Remove support for PPC binaries for OS X.

Pretty much nobody ships new software with PPC binaries these days
anymore, it's not worth keeping Xcode 3 around.

The last version to support PPC will be Poedit 1.5.
Don't build Sparkle with deps, will be built from Xcode.
Better organize deps build system (OS X).

1. Use separate build directories for OS X and Windows.
2. Differentiate between Debug and Release builds.
3. Don't pollute source directories with build outputs.
4. Clean up intermediate files when they are no longer useful.
Import gettext-0.18.2.1.