Replace Cake with Gulp as workflow task manager
- Delete Cakefile, buld.js, agentscript.coffee (no longer needed, whew)
- Docs: agentscript set of 7 files no longer has dropdown, gulp-docco issue
- lib/: removed sourcemaps for coffee, possible gulp-coffee issue
- Add Gulpfile, update package.json, adding npm run commands
- Template: breakout coffe port to simplify docs
Gulp: Update README.md and package.json
- add npm run commands for all top level gulp tasks
- update readme
package.json tweek
Gulp: minor package.json edit, add npm git tasks
Merge remote-tracking branch 'upstream/master' into multiple-models

Conflicts:
	docs/data.tile.html
	lib/agentscript.map
	lib/agentscript.min.js
	lib/data.map
	lib/mouse.map
	src/agentscript.coffee
Fixed a bug with isHeadless truthy check
Added a life example demonstrating multiple models; updated readme