add html-entities module to unescape DonorsChoose retrieve proposal API response
Merge pull request #231 from tongxiang/escaping

add html-entities module to unescape DonorsChoose retrieve proposal API ...
one of two users selecting impact choice now delivers success end-level message to all
Merge pull request #232 from tongxiang/changelogic

one of two users selecting success choice now delivers success end-level message to all users
Merge pull request #233 from DoSomething/dev

merge for deploy 1) change two-player end-level logic and 2) decode escaped characters