Sort components (#163)

* Move common components to the `common` directory
* rename style directory
* Move ForkAwesome to common
* Move initializers and restructure application-loader.tsx

src/components/common/show-if.tsx

@@ -1,9 +0,0 @@
-import React, { Fragment } from 'react'
-
-export interface ShowIfProps {
-  condition: boolean
-}
-
-export const ShowIf: React.FC<ShowIfProps> = ({ children, condition }) => {
-  return condition ? <Fragment>{children}</Fragment> : null
-}