* Change all reference to open a new bug to open a new issue.
* And minor changes across to remove reference to bugzilla workflow.
Updates: gluster/glusterfs#824
- Fixes to Markdown syntax for code highlight
- `console` is used to highlight shell sessions
- Uniform char used for shell "#" in code blocks.
- Snapshot page styles fixed
- Replica 2 examples changed to Replica 3
Signed-off-by: Aravinda VK <avishwan@redhat.com>
