Add scoreboard parser and pull forward tarrasque

Scoreboard parser is 15-second snapshots of scoreboard data,
such as level, k/d/a, lh/d, xpm/gpm, inventories
Round scoreboard xpm/gpm values
Add dota resource parser and icon sheet makers

The dota file parser reads files such as items.txt and npc_heroes.txt
and matches the resources defined therein with item/hero icons to
produce spritesheets and css files.
Using end="postgame" on analysis scripts
Normalize hero/name references on npc_dota_hero_*
Change from ticks to time in seconds
Switch to half-size item/hero icons
Kills and buybacks have event key/value-pair

Start tracking unitnameindex/heroid exceptions