collateral: adding some artwork
collateral: changed image sizes, added to template
app.yaml: adding in favicon
app.yaml: fix favicon.ico definition
main.py: properly wrapped BNet API and using Python objects
index.jinja2: updated template to use new hero-pulled BNet data
index.jinja2: adding in icons representing classes
img: update player logos to be a quarter the size they were before
templates/index.jinja2: adding in paragon level tracking

+ yeah, Sieggi was too fast...
lib/bnet/util.py: remove debug printouts (probably littering logs!)
lib/bnet/cache.py: implement caching layer

+ separate out all caching code