Add WP Plugin Dev Library files

Squashed commit of the following:

commit 247c31a440d59f09624c322dc6d1c37c734cede2
Author: Dzikri Aziz <kvcrvt@gmail.com>
Date:   Mon Jan 20 09:25:31 2014 +0700

    Update PHPCS config

commit 69177ec3cb273ea00f6fb0aa9774b9a9cd28b2c8
Author: Dzikri Aziz <kvcrvt@gmail.com>
Date:   Mon Jan 20 09:06:10 2014 +0700

    Add dev-lib files to .gitattributes to be ignore on export/archive

commit 1180fcfd2db00bbf6537ee26df758a39e26ef2bb
Author: Dzikri Aziz <kvcrvt@gmail.com>
Date:   Mon Jan 20 09:01:33 2014 +0700

    Add dev-lib symlinks

commit b8dc44e5beeffbf726cbab752db9437e0d30656a
Merge: 44fd033 5c6e602
Author: Dzikri Aziz <kvcrvt@gmail.com>
Date:   Mon Jan 20 08:59:48 2014 +0700

    Merge commit '5c6e60209e58362567473d6eb74b5a4df44dc791' as 'bin'

commit 5c6e60209e58362567473d6eb74b5a4df44dc791
Author: Dzikri Aziz <kvcrvt@gmail.com>
Date:   Mon Jan 20 08:59:48 2014 +0700

    Squashed 'bin/' content from commit 1139f0d

    git-subtree-dir: bin
    git-subtree-split: 1139f0d500cf3b047943a4c751e88a5861632041