boilerplate for adding snap
specify scores in centrality, update snap cmd
centrality algorithms working with edgelist and faunus
UI: Update CSS styles
UI: Add bootstrap collapse function
UI: Add auto-focus directive for form inputs
UI: force refresh of data when analytic jobs complete
UI: Add filter to extract domain from url
UI: only create history repo if historyServer enabled
UI: migrate analytic config into templates
UI: templatize analytic input forms
UI: rework display of vertex list, jobs, and selections

Edits:
- embed job progress into collapsible container
- move analytics to button-triggered modal
- dynamically resize table if/when rows selected
UI: Update analytic form controller with new algorithm names
UI: Add examples/images for each algorithm
UI: Store analytic example images locally

Improve img load-time and enable non-networked use
UI: Direct users to main projects page after logging in
switch to mapbox example tile server

cloudmade tile server deprecated
Merge pull request #121 from cglewis/use_mapbox

switch to mapbox example tile server
UI: Add bootstrap-tour.js for intro user walk-through
UI: Add bootstrap-tour CSS