Increase the timeout for charmstore connections (#262)
Increase the timeout for charmstore connections (#262)

* Increase the timeout for charmstore connections

The charm store often does not respond in 5s. Increase the timeout
to 20s. Charm store issue being tracked in https://github.com/CanonicalLtd/jujucharms.com/issues/551
. Closes issue 261.

* Allow charm store timeout to be configurable

juju/python-libjuju,juju/python-libjuju