a view and template for js app
include the "style" folder from old repo
add styles and scripts, make all CDN calls local
the Ext app loads at /app
route app through /projects/, pass static path from Flask
Squashed 'app/wordseer/static/wordseer_app/' content from commit 3372d04

git-subtree-dir: app/wordseer/static/wordseer_app
git-subtree-split: 3372d040c855e4ef37fda72286b47c80872cd785
Merge commit 'f885e5b0c61fe814477d45e0eee76b4c044e2229' as 'app/wordseer/static/wordseer_app'
use subtree instead of these JS files
point wordseer statics to new subtree dir
use static path var from Flask
redirect some (not all) API calls from PHP to Flask