Setup HTMLBars version of script template bootstrapping.
Move component invocation test into ember-htmlbars.
Move group test into ember-htmlbars package.
Merge pull request #9662 from rwjblue/htmlbars-component-invocation

Move component invocation test into ember-htmlbars.
Merge pull request #9661 from rwjblue/htmlbars-bootstrap

Setup HTMLBars version of script template bootstrapping.
Enable Handlebars compat mode when HTMLBars is enabled.
Renaming test module
Merge pull request #9658 from rwjblue/htmlbars-enable-compat

Enable Handlebars compat mode when HTMLBars is enabled.
Merge pull request #9663 from twokul/test-rename

Renaming test module
Split `if` helper test into a separate file