Merged in NRRPLT-7302 (pull request #11)

[NRRPLT-7302] Upgrades httplib2 so as to allow http request of the VirtualCoach on port 443

Approved-by: Claudio Sousa <claudio.sousa@gmail.com>
Approved-by: Kepa Cantero <cantero@fortiss.org>

hbp_nrp_virtual_coach/requirements.txt

@@ -4,7 +4,7 @@ bbp-client==0.4.4  # EPFL_SPECIFIC
 # third-party dependencies
 texttable==0.8.7
 progressbar2==3.34.0
-httplib2==0.11.3
+httplib2==0.12.1
 pandas==0.22.0
 jupyter==1.0.0