Fix missing add another profile option

Fixes an issue in events online registration when additional profiles are removed the add another profile option was also being removed.
Update Registration.tpl
Profile select search field is disabled

Fixes an issue in events online registration profile selector, on already saved profiles the search field is disabled by readonly attribute.
CRM-15562 - Remove 'save and new' button for users without 'add contacts' perm
Merge pull request #4518 from colemanw/CRM-15562

CRM-15562 - Remove 'save and new' button for users without 'add contacts' perm
CRM-15565 fix -  Participent.Get api break for participant_id using IN operator

https://issues.civicrm.org/jira/browse/CRM-15565
Merge pull request #4519 from monishdeb/CRM-15565

CRM-15565 fix -  Participent.Get api break for participant_id using IN o...
CRM-15524 - Move APIExplorer.js back to footer
Merge pull request #4523 from colemanw/CRM-15524

CRM-15524 - Move APIExplorer.js back to footer
Merge pull request #4515 from GenericUK/patch-1

Fix missing add another profile option
Merge pull request #4517 from GenericUK/patch-2

Profile select search field is disabled