Proper handling of non-string literal values specified in templates.
Ex: vertical="false".  Fixes #250.
delite test cleanup
prepare for 0.2.0-dev tag
jshint
Fix broken link
Scrollable.md: title capitalization
Scrollable.md: small improvement
templates: fix code generation for expressions for observe() callback.
fixes #258
Avoid spurious fetch of illegal URL during template parsing.

Happens from template code like <img src={{foo}}>, which causes a GET of "{{foo}}",
at least on Chrome.

Fixes #260.
refactor template.js into a class