Added sections to the composite documentation detailing the new way to pass data, specify a view, and attach assets to a parent template. Also fixed an FAQ and the code example (code/doc).
Added an example showing how to specify the binder to use with the template.
Fixed typos and explanation of passing data to parent template.
Copy edit.
Used a generic name for the binder.
Merge pull request #956 from zhouyaoji/docs_update_composite_mojit

[doc] Added sections to the composite documentation detailing the new way to p...