Do not set boolean props on HTMLBars helper prototype.
Brings back tests for `unbound` helper
Merge pull request #9643 from twokul/unbound-helper

Brings back tests for `unbound` helper
Merge pull request #9642 from rwjblue/dont-set-non-function-props-on-prototype

Do not set boolean props on HTMLBars helper prototype.
Removes CodeClimate badge

CodeClimate doesn't support ES6 modules so the score
doesn't reflect the actual quality of the code.
Merge pull request #9649 from twokul/readme-code-climate

Removes CodeClimate badge
Ensure that tagless container views are rendered properly.
Merge pull request #9647 from rwjblue/nested-each-renderer-issue

Fix issue rendering tagless container views.
Select view for HTMLBars
Update template preprocessor to handle HTMLBars and Handlebars.
Do not create an extra view for each select option.