* styled components now support css keyword
* added support also for keyframes
* added comment to reflect the new keywords
* modified comment
* ignore css and keyframes when testing ast manipulations
* added also injectGlobal
* Add support for styled-jsx with expressions
* Lint
* Fix require for Node 4
* Re-create template-literal document when replacing placeholders
* Add support for styled-components with expressions
* Fix merge
* Move css library detection to functions
* Add basic styled-jsx parsing
* Use eval("require")
* Remove template literal raw and cooked values when it contains CSS
* Set postcss parser to options and group subtree parts
* Gracefully give up TemplateLiteral formatting when it fails