support jshint
jshint ing
lint xtemplate tc
fix ie11 insertHtml. update #514
add ie11 inserthtml issue track
fix inserthtml in ie11. Update #514
add escape string check. Fixes #516
prevent this from finding parent scope. Fixes #517
add Scope data structure for xtemplate. Fixes #519,#518
comment on scope
support xindex name. Fixes #520