Added PyLondinium: dateutil event.

Updated Jekyll after upgrading OS (Gemfile.lock).

Author: Tomasz-Kluczkowski

Gemfile.lock

@@ -21,7 +21,7 @@ GEM
     execjs (2.7.0)
     faraday (0.14.0)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.21)
+    ffi (1.9.23)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
     github-pages (176)
@@ -204,15 +204,15 @@ GEM
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
-    rb-fsevent (0.10.2)
+    rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     rouge (2.2.1)
     ruby-enum (0.7.1)
       i18n
     rubyzip (1.2.1)
     safe_yaml (1.0.4)
-    sass (3.5.5)
+    sass (3.5.6)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -236,4 +236,4 @@ DEPENDENCIES
   github-pages
 
 BUNDLED WITH
-   1.15.1
+   1.16.2

_posts/2018-06-08-Python-Meetup-at-PyLondinium-dateutil.md

@@ -0,0 +1,29 @@
+---
+category: "london"
+title: "Python Meetup at PyLondinium: dateutil"
+level: "All"
+time: "09:00 - 18:00"
+meetup_link: https://www.meetup.com/Python-Sprints/events/250614421/
+project: 
+sponsor: bloomberg
+---
+**IMPORTANT**<br>
+Make sure you register via: <https://go.bloomberg.com/attend/invite/python-sprint-on-dateutil/>
+
+
+As part of pylondinium.org, join us for a day working on issues on python-dateutil, one of the most downloaded libraries from PyPI and the de-facto extension for date and times manipulation in Python.
+
+We will have the maintainer of python-dateutil, Paul Ganssle helping and reviewing code during the sprint. He will guide us through the issue tracker and organise the work to be carried out along the day.
+
+Please have a quick look through the repo and the documentation to understand the project.
+
+To be able to contribute you need to:
+
+- Install Python 2 and Python 3
+- Install Tox – Main tool to validate all changes
+- Install sphinx -To be able to generate the documentation locally
+
+If this is your first time contributing to an opensource project? Please have a quick look here.
+
+Pylondinium ticket not required to come to the Sprint.
+