Update README.md

Added a link to thredded.com
[JRO] Extract page objects

Instead of keeping them in isolated features, break the page object
classes out to their own files to share common bits.
Merge pull request #118 from brickattack/patch-1

Update README.md
[JRO] Fix edit topic

It was broken. Test didn't cover a messageboard with categories and
production was breaking on boards that have categories. Test reflects
that now and is fixed accordingly.
Update readme with screenshot

... and links to more screenshots.
Adds FTS to topic.title
[SMB] reworked search parser to return key => values to avoid having to do it later. Updated tests to reflect changes
[SMB] Refactored search sql builders to have less duplication
[SMB] Fixed conflict