More positive and clear README
More positive and clear README

I moved History down a bit and tried to give clean, positive, twist for Andablog intro.
WimpyAnalytics/django-andablog,bradmontgomery/django-andablog,bradmontgomery/django-andablog,smendes/django-andablog,smendes/django-andablog,bradmontgomery/django-andablog,smendes/django-andablog,WimpyAnalytics/django-andablog