Submit button processing image.
Merge branch 'release/v2.5.3' into develop
List items should now properly escape html characters upon display.
Updating the credit card field for better handling.
Fixed a bug with that could cause phantom submissions to show in the "view submissions" page.
Added a class of 'email' to the text box field if it is set as an email address.
Moved the session_start() call to init.
Merge branch 'develop' into feature/submit-progress

Conflicts:
	js/dev/ninja-forms-display.js
	ninja-forms.php
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Added processing message to disabled submit button.
Fixed some CSS for label position inside
Removed the ajaxloading gif and the JS code that fired to show/hide the processing message.
Updated the label for the submission processing message to make it clearer.
Added label positioning for credit card element labels; added a filter for the description position.
Removed the processing message.
Merge branch 'feature/submit-progress' into develop
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Turning off JS script debugging.
Updating to version 2.6.
Merge branch 'release/v2.6'