Import gettext-0.18.1.1.
More fixes to the Italian translation.
Compilation fix for wxWidgets 2.8.

Fixes #513.
Really fix compilation fix for wxWidgets 2.8.

The previous commit, 37a51b85a338bc2e24411e1d1caa62a8e2231bd8,
introduced another 2.8 incompatibility. Should be really fixed now.

Really fixes #513.
Update Korean translation
A few fixes for Czech translation
Updating Albanian translation
Update British English translation.
Update Croatian translation.
Update Chinese (zh-CN) translation.
Merge pull request #35 from ujdhesa/stable

Update Albanian translation.
Fix incorrect update stats when using msg contexts.

The summary of added and removed strings ignored contexts and plural
forms. Fixed to correctly recognize all such entries.

Fixes #517.
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.
Update GNU gettext version to 0.18.2.1.

This version has some OS X and MinGW compatibility fixes.
Update Sparkle.
Update wxWidgets.
Don't compile wx's PO files on OS X, will be done in Xcode.