Merge pull request #136 from stephanieosan/loan-types-final-content

Minor content tweaks
style collapse links
rename loan types to loan options
Merge pull request #137 from ascott1/lt-subpages

style collapse links
hide labels in loan c comparison
Updated the home page
Merge branch 'master' of github.com:cfpb/owning-a-home
Merge pull request #138 from ascott1/lt-subpages

hide labels in loan c comparison
Merge pull request #139 from akiany/master

Owning a home landing page
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