Merged in NUIT-74 (pull request #12)

[NUIT-74] Add requests to requirements

Approved-by: Hossain Mahmud <hossain.mahmud@gmail.com>
Approved-by: Manos Angelidis <angelidis@fortiss.org>

hbp_nrp_virtual_coach/requirements.txt

@@ -7,6 +7,7 @@ progressbar2==3.34.0
 httplib2==0.12.1
 pandas==0.22.0
 jupyter==1.0.0
+requests
 
 # unit test dependencies
 mock==1.0.1