Update requirements.txt

BS-130
Dependencies fix

requirements.txt

@@ -1,20 +1,30 @@
 alabaster==0.7.10
 Babel==2.5.1
-certifi==2017.11.5
+certifi==2018.4.16
+CommonMark==0.5.5
 chardet==3.0.4
 docutils==0.14
+future==0.16.0
 idna==2.6
 imagesize==0.7.1
-Jinja2==2.10
+Jinja2==2.10.1
+m2r==0.1.14
 MarkupSafe==1.0
-Pygments==2.2.0
+packaging==17.1
+mistune==0.8.3
+Pygments==2.3.1
 pytz==2017.3
-requests==2.18.4
+requests==2.20.0
 six==1.11.0
 snowballstemmer==1.2.1
-Sphinx==1.6.5
+Sphinx==1.7.4
 sphinx-rtd-theme==0.4.3
 sphinxcontrib-httpdomain==1.5.0
 sphinxcontrib-websupport==1.0.1
-typing==3.6.2
-urllib3==1.22
+typing==3.6.4
+urllib3==1.24.2
+pdfrw==0.4
+Pillow==5.1.0
+pyparsing==2.2.0
+reportlab==3.4.0
+rst2pdf==0.93