Merge branch 'release/v2.7.2' into develop
Changing the 'public' setting of the sub CPT to false.
Making sure that only text boxes with the email setting get the class of email. Closes #259.
List item labels can now contain HTML.
Fixed a bug that caused the text elements to be output with encoded html tags rather than the tags themselves.
Fixed a bug that caused empty CSV files to be emailed to the admin.
Fixed a bug that prevented the form settings from being saved on some installation.
Updating to version 2.7.3.
Merge branch 'release/v2.7.3'