started TaskSession association
added stuff
Merge branch 'master' into feature/task_assoc/sessions

Conflicts:
	spec/dummy/db/schema.rb
update schema
add specs for changes

[Story #51076813]
version number bump

[Story #51076813]
couple fixes and typos
window focus fail
Merge pull request #30 from rapid7/feature/task_assoc/sessions

Specs for all PRs passing, PT #51076813