template ref should check treeScope.getElementById

R=arv
BUG=

Review URL: https://codereview.appspot.com/9519043
add CLA and patent file
Dont unbind instance nodes that have been re-used from the instanceCache

R=arv

Review URL: https://codereview.appspot.com/9661043
add OPTGROUP as an attribute template

R=arv
BUG=

Review URL: https://codereview.appspot.com/9664043
bump changesummary
Support binding to HTMLSelectElement.selectedIndex

R=arv
BUG=

Review URL: https://codereview.appspot.com/9644045
Re-org node binding tests
Fix ensureScheduled to work properly with Object.observe and tests

R=arv
BUG=

Review URL: https://codereview.appspot.com/9690045
bump changesummary
bump changesummary
bump changesummary
bump changesummary
bump changesummary
HTMLTemplateElement.prototype.createInstance takes model & syntaxString, sets up bindings

R=arv

Review URL: https://codereview.appspot.com/9757043
Fixed input labels
ensure bindings and observers are not leaked

R=arv
BUG=

Review URL: https://codereview.appspot.com/9837045
Ensure that templates resolve pending instance by the end of the *current* microtask

R=arv
BUG=

Review URL: https://codereview.appspot.com/9802044
bump ChangeSummary - fix empty path bug
template.ref must recursive to find the original source template

R=arv
BUG=

Review URL: https://codereview.appspot.com/9769044
getTeminatorAt recurses infinitely if template is its own terminator

R=arv
BUG=

Review URL: https://codereview.appspot.com/9918043