adding SEP labels to data server
adding label auto-complete support
adding labels to visualization

Conflicts:
	server.py
	www/index.html
reducing the footprint of the ids

Conflicts:
	www/index.html
fixing wording for topic-mode
disabling hover and focus on docLabels
adding title display in main text. closes #36
fixing y-axis hover removing primary document markers
fixing id selection in visualize() function

Conflicts:
	www/index.html
reordering icons