Documentation cleanup: * Made \brief documentation be brief, mostly by adding a blank line to make   the rest of the text be part of the detailed description only; * Removed "FunctionOrClassName - " and other redundant text from the start   of Doxygen comments.
Documentation cleanup:
* Made \brief documentation be brief, mostly by adding a blank line to make
  the rest of the text be part of the detailed description only;
* Removed "FunctionOrClassName - " and other redundant text from the start
  of Doxygen comments.



git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@158964 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang