Fix calling against repo with issues disabled
Remove schematics from report-bug imports

Missed this in 2e36bf4ac802d1defa15053dfe5f756ea708d52d :/
Define template colours in theme.txt

This makes it easier to quickly override all the colours using a single local
template and jinja extends().  Thanks to Siddiq for the well deserved kick for
not doing this myself.
[Tr] Small refactor of default edit templates

There was a bunch of annoying redundancy tucked away in there.
0.17.2 released