show full address in order confirmation, use hCard markup

* addresses #2136
* still not i18nized

Fixes #2511
Truncate product description using truncate_html gem
Use truncate_html to fix HTML truncating issues

Fixes #2518, Fixes #2323
Remove wrong comment about jquery-rails in spree_core.gemspec
Use truncate_html to fix HTML truncating issues

Fixes #2518, Fixes #2323