Minor fixes

1. Fixed case issue that was preventing admin login in some scenarios.

2. Fixed cache not being updated after changing the default date and time format in the admin section.

3. Fixed checkboxes being displayed on the left side of the category names in the parent category selection dropdown.

4. Fixed JavaScript error that was preventing the associating classifieds and deals to a listing page from working properly.

5. Fixed newsletter sign-ups not working.

6. Translation to Portuguese of the button 'Search' on the Search widgets changed to 'Buscar' instead of 'Busca'.

7. Fixed bug on the event page that was preventing the end date from being displayed.

8. Fixed HTML tags being shown on the Associated Events widget when the HTML Editor plugin for events is enabled.

9. Fixed 'Log in with Google' button not being shown on the Sign-up tab when only Google login is enabled.

10. Fixed error that was preventing the header and footer widget editor from opening.

11. Fixed error that was preventing the newsletter configuration page in the site manager from opening.

12. Real Estate fields are now displayed in a more user-friendly way on small screen resolutions.

13. Fixed query on the admin dashboard that can cause slowness depending on the number of user accounts.

14. Advanced Reviews plugin updated to work properly when the pop-up is opened through the results page.

15. Traffic reports page in the admin section updated to remove the charts after the API was sunset by Google.