update translation on 20130407
Fixes for getting Norsk Bokmal enabled. Also fixed a typo on TaxonConcept (a method that's unusused but there for completeness).
updata zh-Hans.yml on May 6 2013
Merge pull request #90 from wjn99wjn/zh_trans

update translation on 20130407
Should fix a broken route for WEB-4336
New task to allow PHP to clear cache. Also fixed a missing #raw on content_partners/resources/hierarchies.
Added alt text for notifications indicators #WEB-4435; making sure we dont show object titles that duplicate TOC headings #WEB-3357; fixed alignment of images on overview tab #WEB-4434
Merge branch 'master' into virtuoso