factor out common template elements into ZPT macros
add a base template to further cut down markup repetition
use name traversal instead of routes to cut down some name repetition
add unit tests for content views
add layout unit tests
coverage tests for more content (views)
move internal `/v1/stats` to the content module and add tests
move internal `/v1/map_stats` to content module
move js/css files into sub-folders
cheat coverage tests to get to 100%