Expression variance filters

Merge pull request #71 from UCSC-MedBook/develop

ExpressionVariance filters -> prod

v1.0.2.6: add renameSampleLabel

Merge pull request #58 from UCSC-MedBook/develop

add renameSampleLabel (#57), fixes #56

Add samplegroup-querybuilder patientcare to 'next'

WIP? create sample group - works with querybuilder

- makes query correctly
- saves dataset.filters correctly
- removed a bunch of console log statements

Azure pre-release

v0.9.1

configure for CircleCI

Azure prerelease 2

Lots of big changes to the UI