Fix for issue #264
Fix navigational issues
Fix styling issues when using the DarkActionBar.

When using the "SeriesGuideLight" theme, the some widgets used in the
`ActionBar` aren't inherited correctly.
Fix the `ActionBar` for the "light" theme.

This change will use to correct `actionBarWidgetTheme` for the
"SeriesGuideLight" theme.
Show progress bar if sync is active, ref #275.
Only update shows every 12 hours if accessing overview.
Merge branch 'beta' into sync-progress-indicator
Merge branch 'stylefix' of https://github.com/adneal/SeriesGuide into adneal-stylefix
Merge branch 'updog' of https://github.com/adneal/SeriesGuide into adneal-updog
Remove parent tag in other manifests, too.
Merge branch 'sync-progress-indicator' into beta
Add 'Restore Auto Backup' functionality.
Merge remote-tracking branch 'upstream/beta' into beta