refactor(Gruntfile): Moves serve tasks around
refactor(Images): Optimises about page images
feat(Headings): Changes blog headings to sans serif
fix(Blog): Adds code styles
refactor(Blog): Recategorises posts
fix(Blog): Deletes AWS post template
feat(Post): Adds Travis post
refactor(Styles)
refactor(Posts): Updates links
Merge branch 'blog' into develop
feat(Banner): Refactors banner markup