Fixed Announcement Dismissal

- Loading application-main.js for all pages
- Using standard click event instead of Bootstrap event.
- Removing DOM element explicitly
- Updated/fixed tests
Merge pull request #187 from edx/announcement-fix

Fixed Announcement Dismissal
Testing Translation Compilation with Each Build
Multiple i18n Fixes for Demographics

- Marked strings for translation
- Set table column types to trigger value formatting
- Formatting percentages passed from view
- Fixed bug with string formatting