LifePointe 0.8.0

- [x] Fix PHP Notices on `content-podcast.php` (Fixes #27 )
- [x] Fix PHP Notices on `search.php` (Fixes #26 )
- [x] Fix PHP Notices on `functions.php` (Fixes #24 )
- [x] Fix PHP Notices on `archive-staff.php` (Fixes #23 )
- [x] Fix PHP Notices on `archive-elder.php` (Fixes #22 )
- [x] Fix PHP Notices on `archive-sermon.php` (Fixes #19 )
- [x] Fix PHP Notices on `sidebar.php` (Fixes #17 )
- [x] Fix PHP Notices on `comments.php` (Fixes #16 )
- [x] Merge page templates