CFP submission form should make the process clearer

[malemburg]

We are getting CFP submissions, where the person submitting the talk does not complete the second step in the process, which adds the speaker.

The form also seems to imply that you can submit talks on behalf of someone else, which is not the case.

To fix this:

• The first page should have a description of the process at the top, explaining that there are two steps to get a proposal submitted and emphasizing that the submission is only complete after finishing the second step
• The button on the first page should read "Proceed to step 2", instead of "Submit Proposal"
• The second page should read "Your Speaker Profile" as title and the labels should make it clear that the person submitting the talk is the speaker (you're not submitting for someone else)
• The speaker release agreement should be moved to the second page, since the release is entered by the speaker when submitting the proposal
• The button on the second page should read "Submit Proposal"

[ethancarlsson]

made the pull request to solve this, using the description:

Please provide the details of your proposal below and remember to complete both steps of the submission process. Your proposal will not be valid if you do not complete both steps.