Switch embed to use a $5M target, and to count days again.
Merge pull request #80 from jwhite66/issue71b

Switch embed to use a $5M target, and to count days again.
Comment out mail test for now.
Flip around conditional wording
load optimizely library
Changes to receipt
Merge branch 'master' of https://github.com/MayOneUS/pledgeservice

Conflicts:
	markup/receipt.jade.j2
update some leftover "mayone"s to "mayday"s
Merge pull request #81 from MayOneUS/optimizely

load optimizely library
Merge branch 'master' of https://github.com/MayOneUS/pledgeservice
Analytics and new totals.
Update old balance handler
Update test to account for STRETCH_GOAL_MATCH