Refactored parts of analysis and metric systems. Added filters and subdocument capabilities. Added migrate and remove-metric capabilities.
Forgot to add untracked files.
Forgot to remove my SECRET_KEY and a few other personal settings.
Topics Over Time visualization in a stable state - Can select individual and sets of topics
Merge branch 'topicsovertime' of git://github.com/BYU-NLP-Lab/topicalguide into topicsovertime

Conflicts:
	topic_modeling/media/scripts/charts/topics_over_time.js
Fixed colors, rebased branch with changes to refactoring, fixed html template because it was overwritten