StmtDumper coding style changes
StmtDumper coding style changes

Summary:
A few small coding style changes for StmtDumper, including:
- rename Dump* methods to dump*
- uninline some methods
- comment fixes
- whitespace fixes

Please review and commit if okay.

Reviewers: alexfh

Reviewed By: alexfh

CC: cfe-commits, alexfh, klimek

Differential Revision: http://llvm-reviews.chandlerc.com/D190

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@169866 91177308-0d34-0410-b5e6-96231b3b80d8

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