Chinese Tradition i18n

inserted zh-TW translation
Merge pull request #371 from arthurtalkgoal/master

Chinese Tradition i18n
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Re-use icons from the Core package.
added new migrations for acts-as-taggable-on engine
Merge pull request #380 from greendog/master

added new migrations for acts-as-taggable-on engine
Updated versions
Merge remote-tracking branch 'arthurtalkgoal/master'

Conflicts:
	config/locales/zh-TW.yml
Depend on refinerycms-wymeditor because we use it.
Use docker builds, cache Bundler on Travis CI
Upgraded some testing syntax, changed to selenium for more passable results.
Merge pull request #372 from jess/sorting

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Updated readme for this version.
Update cs.yml

fix cs locale
Removed plugin#activity call as this method was removed.
Updated Ruby 2.1 instruction for CI
Merge pull request #390 from prokopsimek/patch-1

Update cs.yml
Added binstubs to ease dummy application use.
The backend needs to require jquery-ui/autocomplete since refinery/refinerycms#2735
Fix incorrect spec file introduced in a96ffaf51220e928b3fbdfcc4db969cc810f597b