update the changelog
fix a log statement
generate protobuf for QueryResponseChunk
fix #117. filling in default values for empty groups
fix #138. Get rid of the old and deprecated /db/:db/admins endpoint
remove some commented code
Changelog clarification.
fix the broken tests as a result of commit b86eea4
valgrind should run on linux only
Add test to make sure where queries with only some points having the matching column work
Add support for single point queries.
Fix merge conflict.
Make sure null values are excluded from single point requests.
Test null columns more thoroughly.
Double-check number of points returned from test query.
Merge pull request #148 from influxdb/tp-test_single_point_select

Single Point Select
Fix unlock on cluster config to defer. duh...
Merge branch 'master' into fix-140

Conflicts:
	src/coordinator/cluster_configuration.go