Modernize some parts see description

- Replace tt_news with news
- Replace flexslider with bxslider
- Add fluid template for news and powermail
- Update fluid template
- Include news and normal template sass/less files for easier
development
- Update constants (powermal and news fluid template paths)
- Update direct_mail_subscription template (remove all table codes and
insert div and responsive code)
- Include new TSconfig example for be layout color selector
- Include new ts user function with example to generate playlist from
fluid flexform
Update readme
Merge pull request #4 from ntiedt/TYPO3(6.2.4)

Typo3(6.2.4)