[SVN] r3574 (Xcode)

[Chris Thomas]

• Performance optimization: don't call "xcodebuild -list" unless the user has an explicit build style.
• Unify (and DRY) all of the various project build and clean sequences.

Changed:
U   trunk/Bundles/Xcode.tmbundle/Commands/Build & Run.plist
U   trunk/Bundles/Xcode.tmbundle/Commands/Build.plist
U   trunk/Bundles/Xcode.tmbundle/Commands/Clean.plist
U   trunk/Bundles/Xcode.tmbundle/Support/bin/format_build.rb
U   trunk/Bundles/Xcode.tmbundle/Support/bin/parse_build.rb
A   trunk/Bundles/Xcode.tmbundle/Support/bin/run_xcodebuild.sh