When user login to Review Board dashboard, they would like 

to see all their open requests from incoming and outgoing. 

Therefore, adding a new section that is called 'My Reviews' 

will allow users to see all their open requests.

Added a unit test, which passes (along with all other tests).

Created test review requests that will be open under incoming and 

  outgoing sections.
Ran it using this command ./tests/runtests.py 

  reviewboard.reviews.tests.test_review_request_manager
The test calls the query that merge the requests.
It will check if the requests are merged successfully than it passes 

  the test.