Removed WISE alternate theme (old; not used anymore)
Updated i18n string replacement calls to use correct function
Small fix for public Idea Manager custom terminology in authoring tool

- Was removed on a previous merge
Add option for project authors to specify custom term for "Activity"
Authoring tool now updates project content on step and activity sorting with new UI

- Added activity delete and hide options
- Code cleanup and updates to javascript best practices
- Style updates