Lotta work on week
finished the basics of week
random fixes for presentation

-if no intensities in emotion, return nil for dominant emotion
-if nil parameter in EmotionsManager.getColorForEmotionNamed, return default grey color
-changed width in week view sections to float so it doesn't round down and not span the entire section
-changed many emotion color gets to EmotionsManager.getColorForEmotionNamed
-added dummy Search and Trends views for presentation