Move Intel's Contacts API proposal to a input_docs subfolder of the main Contacts proposal
replicating changes from J.M.Cantera's commit 2e4787dc65 to SMS API
Merge pull request #25 from otcshare/deprecate_contacts_intel

Move Intel's Contacts API proposal to a input_docs subfolder of the main proposal
editorial changes
removal of SMS.html superseeded by Messaging.html
Merge pull request #26 from efullea/sms

Removal of SMS.html superseeded by Messaging.html, plus editorials