Remove #constant from parties
backcompat for Handlebars.SafeString
only access data if needed in comp.lookup
comments
Ease the transition from {{loginButtons}} to {{> loginButtons}}
Merge branch 'devel' into shark
Merge branch 'node-no-fswatch' into shark
Use the 'rendering-preview-0' release
Use the 'rendering-preview-0' release
Fix spacebars-tests

The "inclusion args" tests broke with commit
1c37ac1a982f967bbd1feac67661f584272e8032. Within
'lookup' we were wrapping results in functions
even when they were constants. This led
`{{> foo bar}}` to not correctly pass `bar`
as data into the Template pointed to by `foo`.
Fix `{{> foo bar=false}}`.

Apparently `Boolean("false")` is true.
remove stale comment
comment out old failing tempting tests

(they haven't been updated post-spark). we'll
make another XXX pass and take a look at them.
remove unusable {{#markdown}}

it was never made to work on shark. a later
commit will re-introduce this or supply
an alternative pattern.
Remove 'handlebars' package.

It has been superseded by the 'ui' package.
Implement `..` in templates.

Calling `component.lookup('')` no longer works. Instead,
use `component.lookup('.')`. To look up the data context
tree, use `component.lookup('..')` or
`component.lookup('...')`. This means we can't support
component properties beginning with a dot, whichs seems
reasonable.
add comment describing incorrect behavior in observe-sequence
initial commit
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