[#209] Show left rail below content on mobile viewports.
Fixes some inadvertently added variables (noone saw this)
Added Language Specific Code Conventions
Update CONTRIBUTING.rst

Added section on Java code conventions
Update CONTRIBUTING.rst

Change lang about passing APIs to methods. Added section about method names.
Remove white space from EOF
Adding further links to PHP landing page
Merge pull request #293 from jamiehannaford/php-sdk-landing-page

PHP landing page updates
Making columns collapse in the correct order for mobile

- Fixes #209
Merge pull request #291 from zack-shoylev/variable-fix

Fixes some inadvertently added variables (noone saw this)
Hide gutter borders on mobile

- Fixes #213
Merge pull request #294 from rackerlabs/gh-209

Show left rail content below body on mobile
Merge pull request #295 from rackerlabs/gh-213-fix

Hide gutter borders on mobile