Specify the branch in which to merge in the pull-request object in the database
In the new_pull_request method of the internal API, specify the branch in which to merge
Allow specifying a target branch when creating a new pull-request
Specify the list of branches and the branch of interest to the template
Do not rely on the request object before checking if we have one
Show all the branches available for the pull-request and reload the page when it's changed
Adjust the format_loc filter to handle when the request given is a Flask request