Always populate self.__cache when reloading

On a cache miss, self.__cache never gets populated. Inside
get_all_values, it's being conditionally populated, and if
self.__cache[project_id] never exists in the first place, we're
fucked.
Merge pull request #1216 from getsentry/reload-cache

Always populate self.__cache when reloading
Add Http.to_curl()
Add Copy as cURL button
Update locales
Hush www-authenticate header on key authentication (refs GH-1219)
Handle case where event is no longer reporting (fixes GH-1214)
Gracefully handle no service set (fixes GH-1213)
less hacky Postgres hack
SmartCookie requires dict keys to be strings, not unicode
self.data may also be a dict
Simplify logic to match what we do for the Replayer
Send full_url to Replayer to retain querystring
safe_execute around to_curl and try to fix malformed cookie dicts
Let's just always format_cookies when creating the interface
Add TODO for handling Cookies in replay_event
Add vendor directory to ignore (better support redesign)
Fix reference to plugins
Correct update clause on GroupRuleStatus
Remove unused processors