-) choose "receipt" validation  function by receipt_app_id
Merge branch 'master' of https://github.com/musixmatch/api-proxy-node-js
Merge branch 'master' of https://github.com/musixmatch/api-proxy-node-js
-) remove validatio by receipt_app_id
-) add log
-) force body as string
resolved conflict on token.js
add simple random key function
Merge branch 'master' of https://github.com/musixmatch/api-proxy-node-js
Merge branch 'master' of https://github.com/musixmatch/api-proxy-node-js
Merge branch 'master' of https://github.com/musixmatch/api-proxy-node-js
-) add context in input to receipt_validate_async function
Merge branch 'master' of https://github.com/musixmatch/api-proxy-node-js

Conflicts:
	routes/token.js
resolved:
	removed oldconfig.get function
added context variable in input to validation function of the receipt
add codes in memcache array