Version matrix updates

Here are the updates that are made to the Version Matrix:

• Jira:
  • Added Jira version 8.6 to the Version Matrix
• Confluence
  • Added Confluence version 7.2.x, 7.1.x and 7.0.x to the Version Matrix
• Bitbucket Server
  • Added Bitbucket Server version 6.10.x, 6.9.x, 6.8.x and 6.7.x to the Version Matrix
• Bamboo
  • Added Bamboo version 6.10.x, 6.9.x, 6.8.x and 6.7.x to the Version Matrix
• Crowd
  • Added Crowd version 3.7.x to the Version Matrix