Center repository link

README.md

@@ -11,7 +11,7 @@ By the end of the 100-level class(es), participants will have a conceptual under
 ### Core Lessons
 
 Lesson | Repository | Status
------- | ---------- | ------
+------ | :--------: | ------
 CO101: Introduction to COmanage (self-guided) | [ :octocat: ](https://github.com/lpaglione/NHA-2018Spring) | In Progress
 CO102: COmanage for Virtual Organizations | [ :octocat: ]() | In Progress
 CO103: COmanae for University IT | [ :octocat: ]() | In Progress
@@ -31,14 +31,14 @@ _**PREREQUISITE**: A basic understanding of COmanage and its uses, as may be fou
 ### Core Lessons
 
 Lesson | Repository | Status
------- | ---------- | ------
+------ | :--------: | ------
 CO201: Installing COmanage Using the InCommon Docker Images | [ :octocat: ]() | In Progress
 CO204: Integrating COmanage with Common External Systems | [ :octocat: ]() | In Progress
 
 ### Extended Lessons
 
 Lesson | Repository | Status
------- | ---------- | ------
+------ | :--------: | ------
 CO202: Custom Installations (Self-guided) | |
 CO203: Enabling Plugins (Self-guided) | |
 
@@ -53,7 +53,7 @@ _**PREREQUISITE**: A basic understanding of COmanage and its uses, as may be fou
 ### Core Lessons
 
 Lesson | Repository | Status
------- | ---------- | ------
+------ | :--------: | ------
 CO301: Collaboration Organization Units | [ :octocat: ]() | In Progress
 CO302: Setting up Enrollment Flows | [ :octocat: ]() | In Progress
 CO304: Identifier Management | [ :octocat: ]() | In Progress
@@ -62,7 +62,7 @@ CO306: Group and Role Management | [ :octocat: ]() | In Progress
 ### Extended Lessons
 
 Lesson | Repository | Status
------- | ---------- | ------
+------ | :--------: | ------
 CO303a: Using Organizational Identity Sources (Self-guided) | |
 CO303b: Working With Provisioners (Self-guided) | |
 CO305: Localizing the Text (Self-guided) | |
@@ -83,7 +83,7 @@ _none_
 ### Extended Lessons
 
 Lesson | Repository | Status
------- | ---------- | ------
+------ | :--------: | ------
 CO401: Developing Plugins | |
 CO402: Integration with the REST API | |
 CO403: Hacking the Core (Self-guided) | |