refs #2503: Added the case study content type exported with features
refs #2503: Replaced title with title_field
refs #2503: Exported hide_translation_links setting from content type
refs #2503: Enable the feature during install/update
refs #2503: Removed field base body added by features
refs #2503: Also removed tags taxonomy creation added by features
Merge pull request #45 from cristiroma/2503_case_study_ctype

refs #2503: Implemented case study content type