WIP: Some experiments with node-blocks API
Some old stuff removed; some new stuff added
bemtree.xjst tech module refactoring
Application blocks massive refactoring
Some test blocks added
i-promise.bemtree.xjst
Test bundle refactoring
Merge branch 'experimets'

Conflicts:
	app.blocks/app/__start/app__start.deps.js
	app.blocks/app/__start/app__start.node.js