all links added to first page of loan options
all links added to conforming loan subpage; mortgage insurance section updated; askcfpb links added
FHA subpage links updated; mortgage insurance section updated; askcfpb links updated
special loan programs subpage links updated; mortgage insurance section updated; ask cfpb links updated
changed all links to subpages to loan options instead of loan types
added sidebar header to subpages
content changes to main loan options page
content fixes for the conventional subpage
content fix for the fha subpage
relinked the back to understanding loan options link on the subpages
content fixes for special programs page
Merge pull request #140 from stephanieosan/loan-types-final-content

Loan types content and link updates