updated changelog
bump version to 0.10.0
Merge branch 'master' into rel0.10
Merge pull request #179 from elnappo/master

add verbose names to models and model fields
fix typos
add migration for PR #179
add secondary nameserver, prefer it for queries, add migration, fixes #175
fix pep8
register api auth errors/success in the host record, display auth success/failure in host view, partially fixes #176
update docs about result messages on host view
add a managment command "domains" to check the domains, notify owner of domain, update admin docs

if a nameserver is not reachable or does not answer queries for the domain, the domain is flagged as not available (and also as not public).

also added catching of PeerBadKey exception.
add nginx /myip tuning hint to the admin docs
updated i18 (*.po)
updated i18 (*.mo)
updated changelog
fix django requirements: >= 1.7.1 and <1.8

1.7.0 had some bugs in migrations, avoid. 1.8 is not tested.
fix 2 translatable strings
update i18n (*.po)
update i18n (*.mo)
merged changes from rel0.10 branch