Added submodule for local version of MGOrderedDictionary
Fixed 'reference is not a tree' error for Base64 by pointing to commit e707e03c97d0366f227ad9056ea28570f5daa2b8
Fixed 'reference is not a tree' error for SVProgressHUD by pointing to commit 0ee7ca160e6af1ee7f53f0d3b1aaeee787ba7896
Fixed 'reference is not a tree' error for SVPullToRefresh submodule by pointing to commit fb40dd6ae49c32a543be2dddb6ec6029bdb1fa08
Updated Xcode project's references to the files MGOrderedDictionary.m and MGOrderedDictionary.h to point to the submodule.
Set 'Treat Warnings as Errors' for the MailChat.app target to NO so that the project will compile and run with the submodules. (sorry, Gwynne!)
Merge pull request #1 from nglevin/develop

Fixed submodules