switch request urls for SSA

• switch back to ssa.gov for our requests, after SSA started redirecting calls to socialsecurity.gov

Fix tests for running on leap day

0.4.57

fix tests if they run on leap day, hereafter called Edgehog Day

Fix prorating in edge cases

0.4.56

tag version 0.4.56

Fix data file names and usage for 2016

Merge pull request #128 from Scotchester/master

Minor README formatting update

Fix prevention of selecting age younger than current

Previously, if you entered a birth date that gave you an age between 62 and 64, the graph slider could be moved to an age younger than your current age. This fix prevents that.

edge-case fix for 1/2/1952

• fixed handling of edge case: display of age-62 graph bar when birth date = 1/2/1952

link and title fixes

0.4.52

Merge branch 'master' of github.com:cfpb/retirement

title fixes

Merge pull request #119 from cfpb/title-fix

fix title to avoid using nonstandard pipe (English and Spanish)

launch version, with speed and spanish fixes

• Added switch for question graphics with English text on Spanish implementation

pre-launch speed and content fixes

• fix for production speed issue
• adds navigation to match rest of site
• New wording order for hero
• Fix to graph explainer line ('Select claiming ages ...')
• Redirect for /jubilacion/ (not in this repo, but in this release)
• Fix for api checker (randomizes parameters to avoid cache hits)
• Hero cactus shadow fixed