This release is not for EA

This is a general release of RC7 but with the `status` field in `list host` removed

5.1rc6

5.1rc2

5.1 RC1

Fix for slow 'report dhcpd', most of this is backported from 'develop…

…' but the

code for 'report dhcpd' has a fix that needs to move into develop.

tests/test_scale.py::test_scale
size = 10
add host                         1.283s
list host                        0.182s
list host profile                0.658s
report dhcpd                     0.161s
remove host                      2.151s
size = 20
add host                         2.614s
list host                        0.187s
list host profile                0.617s
report dhcpd                     0.142s
remove host                      2.210s
size = 30
add host                         3.980s
list host                        0.209s
list host profile                0.629s
report dhcpd                     0.152s
remove host                      2.320s
size = 40
add host                         5.309s
list host                        0.267s
list host profile                0.708s
report dhcpd                     0.166s
remove host                      2.433s
size = 100
add host                         14.335s
list host                        0.418s
list host profile                0.690s
report dhcpd                     0.214s
remove host                      3.042s
size = 1000
add host                         344.763s
list host                        4.172s
list host profile                2.614s
report dhcpd                     1.160s
remove host                      16.880s