[SVN] r8989 (Objective-C)

[joachimm at etek.chalmers.se]

brought the ExternalSnippetizer up to par with the old snippetizer, plus fallback completion now uses Dialog2 if available

Changed:
U   trunk/Bundles/Objective-C.tmbundle/Commands/Cocoa Function Completion.tmCommand
U   trunk/Bundles/Objective-C.tmbundle/Support/ExternalSnippetizer.rb
U   trunk/Bundles/Objective-C.tmbundle/Support/objc_completion2.rb