Update README.md
Updated style guide draft by @cfarquharson.
Merge pull request #32 from thomasgohard/update-new-style-guide

Updated style guide draft by @cfarquharson
Add updates to Panels documentation by @cfarquharson.
Merge pull request #39 from thomasgohard/panels-update

Add updates to Panels documentation by @cfarquharson
Updated style guide draft by @cfarquharson.
Merge pull request #44 from thomasgohard/new-draft-update

Updated style guide draft by @cfarquharson
Updated style guide draft by @cfarquharson.
Merge pull request #47 from thomasgohard/draft-update

Updated style guide draft by @cfarquharson
Updated style guide draft by @cfarquharson.
Merge pull request #52 from thomasgohard/draft-update

Updated style guide draft by @cfarquharson
Index: Combined separate image and button links into single ones (take 2).
Merge pull request #55 from EricDunsworth/index-img-btn-links-v2

Index: Combined separate image and button links into single ones (take 2).
Build: Only run Travis push for non-PRs

Fixes gh-56
Merge pull request #57 from nschonni/fix-travis-secure-vars

Build: Only run Travis push for non-PRs