Website changes: add twitter handles and another disclaimer/beta signup link.
Website changes: add twitter handles and another disclaimer/beta signup link.

JDReutt/BayesDB,poppingtonic/BayesDB,JDReutt/BayesDB,poppingtonic/BayesDB,poppingtonic/BayesDB,JDReutt/BayesDB,JDReutt/BayesDB,JDReutt/BayesDB,poppingtonic/BayesDB,poppingtonic/BayesDB