add pdfkit

requirements.txt

@@ -11,32 +11,34 @@ docutils==0.13.1
 ecdsa==0.13
 Fabric3==1.12.post1
 gunicorn==19.6.0
+html5lib==0.999999999
 idna==2.1
 imagesize==0.7.1
 Jinja2==2.9.4
 livereload==2.5.1
 MarkupSafe==0.23
 paramiko==2.0.2
 pathtools==0.1.2
+pdfkit==0.6.1
 Pillow==3.4.1
 port-for==0.3.1
 psycopg2==2.6.2
 pyasn1==0.1.9
 pycparser==2.14
 pycrypto==2.6.1
 Pygments==2.2.0
+PyPDF2==1.26.0
 pyperclip==1.5.27
-python-dateutil==2.6.0
-python-mimeparse==1.6.0
 pytz==2016.10
 PyYAML==3.12
 reportlab==3.3.0
 requests==2.12.5
 six==1.10.0
 snowballstemmer==1.2.1
-tornado==4.4.2
-watchdog==0.8.3
-xlwt==1.1.2
 Sphinx==1.5.2
 sphinx-autobuild==0.6.0
 sphinx-rtd-theme==0.1.9
+tornado==4.4.2
+watchdog==0.8.3
+webencodings==0.5
+xlwt==1.1.2