Merge branch 'hotfix/2.2.3'
Merge branch 'release/2.2.3'
Merge branch 'release/2.2.4'
Merge branch 'release/2.2.5'
New TAMUS required link ala Steve Moore
Set blank old options if the theme is a new install.
Migration only runs when theme is switched.
Added ability for user to select excerpt or full post content on front page.

Closes #92
Removed category widget
All widgets removed from theme.
Removed widget auto-include
Fixing noncename notice
Added github updater
Fixed updater submodule error
Trying an 'updated' option to control when options migrate.
Fixed errors on activation.
Fixed migration not migrating...
Resetting migration changes
Merge branch 'develop' of https://github.com/AgriLife/AgriFlex into develop