added .gitignore from Scalatra template
Added template Scalatra code
Added build definitions for viewer
Moved source files; whoops.
WIP on viewer
Scalate 1.7.0
added build properties
Fixed actor communication
cleaned up document cache
Added 404s for missing cache entries
trivial 404 improvements
added D3
added leaflet
better typing in caches
added rudimentary view-map route
added option to PUT analysis results
Pare down trackpoint sequences.

Save some memory before processing trackpoints by only keeping
coordinates and wattage.  This results in a 2x speedup on my data.
(Extremely) basic front-end support.

Merge branch 'feature/frontend' into develop