add queries for reports.js
update test for challenge costs api.
update test and fix bug
final fix 1
update Unauthorized
Error.js
final fix 2
shell scripts for CI build
Fixed query.
For social send activation email too.
Added social_user_id
rm db_scripts
merge with upstrea/master
fix typo
fix tests for member registration api
Merge pull request #71 from Ghost141/invoice

Module Assembly - TopCoder NodeJS Invoice History API
add credit type in the invoice reports.
Merge pull request #72 from Ghost141/invoice

add credit type in the invoice reports.
Default coder type id  to 2.
Check null for social user id.
Fix.