Changed link variable to meetup_link in all posts.

Removed test posts for future events.

Author: Tomasz-Kluczkowski

_posts/2017-10-04-Bokeh-As-A-Backend-For-Pandas.md

@@ -5,14 +5,10 @@ project: Pandas
 project_description: Powerful Python data analysis toolkit
 date: 2017-10-04
 venue: Harvey Nash
-link: https://www.meetup.com/Python-Sprints/events/243422372/
+meetup_link: https://www.meetup.com/Python-Sprints/events/243422372/
 image: static/images/events/pandas_bokeh_backend_harvey_nash_960x539px.jpeg
 sponsors: 
     - harvey_nash
-    - bloomberg
-    - python_software_foundation
-    - zopa
-    - touch_surgery
 ---
 
 According to this recent blog post by [Stack Overflow](https://stackoverflow.com/), Python is declared as the fastest-growing major programming language.

_posts/2017-10-24-PyMC3.md

@@ -5,7 +5,7 @@ project: PyMC3
 project_description: Bayesian Modeling and Probabilistic Machine Learning with Theano
 date: 2017-10-24
 venue: Zopa
-link: https://www.meetup.com/Python-Sprints/events/244062594/
+meetup_link: https://www.meetup.com/Python-Sprints/events/244062594/
 image: static/images/events/pymc3_zopa_960x539px.jpeg
 sponsors: 
     - zopa

_posts/2017-11-01-www.python.org-Part1.md

@@ -5,7 +5,7 @@ project: www.python.org
 project_description: Official Python Software Foundation website
 date: 2017-11-01
 venue: Bloomberg
-link: https://www.meetup.com/Python-Sprints/events/244388482/
+meetup_link: https://www.meetup.com/Python-Sprints/events/244388482/
 image: static/images/events/python_dot_org_part1_bloomberg_960x539px.jpeg
 sponsors: 
     - bloomberg

_posts/2017-12-06-python-dateutil.md

@@ -5,7 +5,7 @@ project: date-util
 project_description: Powerful extensions to datetime
 date: 2017-12-06
 venue: Bloomberg
-link: https://www.meetup.com/Python-Sprints/events/245317647/
+meetup_link: https://www.meetup.com/Python-Sprints/events/245317647/
 image: static/images/events/dateutil_bloomberg_960x539px.jpeg
 sponsors: 
     - bloomberg