Merge branch 'hotfix/2.1.1'

Author: cgiraldo

api/src/main/resources/requirements.txt

@@ -7,14 +7,14 @@ happybase==1.0.0
 idna==2.1
 ipaddress==1.0.17
 ordereddict==1.1
-paramiko==2.1.1
+paramiko==2.1.6
 ply==3.9
 pyasn1==0.1.9
 pycparser==2.17
 pyhs2==0.6.0
 pywebhdfs==0.4.1
-PyYAML==3.12
-requests==2.12.4
+pyyaml==4.2b1
+requests==2.20.0
 sasl==0.2.1
 singledispatch==3.4.0.3
 six==1.10.0