Making this attribute public, since it is used outside this class (e.g. in Fieldmanager_Context_Post)
Merge branch 'master' of github.com:alleyinteractive/wordpress-fieldmanager
Fixed PHP warnings generated by trying to access non-existent fields in  and presaving empty values
Merge remote-tracking branch 'upstream/master'
Escape data before printing HTML
Remove reduntant checks for hooks

Admin checks are unnecessary for `admin_enqueue_scripts` and
`wp_enqueue_scripts` because those hooks only fire on the
back and front-end respectively