changed default SDK to the current one
fixed non-literal format string warning
project update caused by opening in XC4 I think
added xc4 workspace
added xc4 workspace
Changes for Hype
Added an XPC service to deal with sandboxing.

This fixes #163. It requires that you copy the XPC service into your main application bundle in
Contents/XPCServices and runs the remove from quarantine step of copying the finish_installation
app as well as launching finish_installation app outside of the sandbox. Sparkle will function
exactly as it does now for applications that do not copy the XPC service into their application
bundle.
Merged latest from Andy's branch
Updated project settings.
Removed -fsingle-precision-constant flag which LLVM doesn't recognise
fixes for warnings thrown up by xcode 4.4 / llvm
xcode 4.4 project settings update
Merge branch 'master' of https://github.com/andymatuschak/Sparkle into integration
Merge remote-tracking branch 'wbyoung/master' into sandboxing
fixing up the xcode configs to match ours for simpler building
fixed the Debug App Store configuration.. it was misnamed and causing a build error.
Fix warnings
Support for notifications on some updater events
Merge in changes for sandboxing and XPC

Pull request here: https://github.com/andymatuschak/Sparkle/pull/165
Changes here: https://github.com/wbyoung/Sparkle/commit/dbd2b9b30aad66296fab5cf9b980bf02020fa71a
Merge current TOT from upstream
Build dSYM for XPC service