Add a plugin to enable the spine parent's builder template functionality
Merge pull request #122 from washingtonstateuniversity/feature/enable-builder

[PR] Add a plugin to enable the spine parent's builder template functionality
Update WordPress to 28396 for testing
Merge branch 'upstream-testing/wordpress' of github.com:washingtonstateuniversity/WSUWP-Platform into upstream-testing/wordpress
Update WordPress to 28438