Make use of clang-format

It's a proposal, not a bug.

The main reason to use clang-format: it increases productivity. It will be easy to write code and more importantly to read a well-formatted code afterwards.

clang-format is available on win and *nix.

It has a nice integration with popular editors (e.g. https://github.com/llvm-mirror/clang/blob/master/tools/clang-format/clang-format.el, http://llvm.org/builds/)

It allows to easily enforce some coding style.

It's easy to format whole code base once (producing a huge patch though) and it's possible to add a pre-commit hook to invoke clang-format.

Introductory video:
https://www.youtube.com/watch?v=s7JmdCfI__c

Official documentation:
http://clang.llvm.org/docs/ClangFormat.html
http://clang.llvm.org/docs/ClangFormatStyleOptions.html

/sql config could look like this:

BreakBeforeBraces: Allman

SpaceBeforeAssignmentOperators: false

/storage/innobase config could look like this:

UseTab: Always

TabWidth: 8

IndentWidth: 8