Minor changes to web connection styling
Add input placeholders to param fields in web connection parameter template
Place URL input inside associated label element
Change remove command element to use &times; html entity
Correct case of occurences of "URL" in message.properties associated with web connections
Remove hardcoded size for URL input
Tweaks to webconnection step layout
Move cursor:text declaration for message-composer to controls.css
Remove for attribute for httpMethod radio label and misplaced labels in the web connection param table.