Corrected Section Heading Styles

- Removed <h4> nesting
- Aligned contents to bottom of <div>
- Added bordered class and replaced <hr>
Updated FontAwesome and Engagement Icon
Updated Data API Client
Set the timezone to GMT for display of dates in the trends.
Merge pull request #100 from edx/dsjen/chart-date-display

Set the timezone to GMT for display of dates in the trends.
Merge pull request #97 from edx/ui-tweaks

Ui tweaks
Removed Unnecessary CSS Class
Added Geography Metrics
Merge pull request #98 from edx/geography-tiles

Geography tiles
Updated Acceptance Test Timeout

This should, hopefully, avoid tests failing due to timeout errors.
Added screen reader text in summary and trend tooltips.
Merge pull request #102 from edx/dsjen/accessible-tooltips

Added screen reader text in summary and trend tooltips.
Updated Page Copy

- Updated copy according to feedback
- Removed demo engagement content since it is no longer useful
- Removed flag around engagement navbar item
Updated Graph/Chart Tooltips
Updated Metric Tooltips
Updated Engagement Table Column Ordering

Column ordering now matches that of the metrics and graph.
Updated Loading Message and Positioning
Updated Homepage Text
Removed Dead Code and Permanently Enabled Features

- The overview and performance demo pages don't even load. Time to die.
- The engagement features should always be active and therefore not behind a feature gate.
Merge pull request #103 from edx/text-updates

Text updates