Fix #267. Allow series names to be escaped
Merge pull request #463 from influxdb/fix-267-allow-new-characters-in-series-names

Fix 267 allow new characters in series names
update the changelog
Fix #466 - allow any characters in column names.
Fix #447. Update username validation to only disallow %.
Merge pull request #468 from influxdb/fix-447-support-at-in-usernames

Fix #447. Update username validation to only disallow %.
Merge pull request #467 from influxdb/fix-466-allow-any-characters-in-column-names

Fix #466 - allow any characters in column names.
Update CHANGELOG.md
Update CHANGELOG.md
Fix #471. User should be able to update permissions
We don't need to repeat the command name all over the place
just write as root in the test
Use prefix trees instead of hashmaps to keep the engine state
commit all series in one request
fix a brittle test
Don't do the cross product if we don't have to
don't write too much data at once
some memory optimizations
reduce the default response buffer size
make writes synchronous for continuous queries