Move /domain/:domain/tasks to /tasks?domain=domain

Signed-off-by: Kris Hicks <krishicks@gmail.com>

[#84389646]
Move /domain/:domain/desired_lrps to /desired_lrps?domain=domain

Signed-off-by: Kris Hicks <krishicks@gmail.com>

[#84389646]
Move /domain/:domain/actual_lrps to /actual_lrps?domain=domain

Signed-off-by: Kris Hicks <krishicks@gmail.com>

[#84389646]
rename freshness

[#84389646]