Fix CategoryAxis behavior with non-string data. Close #927
Remove bad console statement
[minor] Address bluong's feedback for RR #943
Merge pull request #944 from palantir/release-0.27.0

Release version 0.27.0 (--> develop)
Remove comments from built files.
Update D3 to the latest release
Add test for #683 (verify CategoryAxis works w/o any data)
Merge pull request #943 from palantir/cat-axis-non-string

Fix CategoryAxis behavior with non-string data. Close #927
Merge pull request #941 from derekcicerone/develop

Update D3 to the latest release
Moving axes to their own directory
Merge pull request #949 from palantir/axisDirectoryMove

Moving axes to their own directory
Plot.VerticalBar no longer forcibly includes zero in its x domain.

null is a falsy value :(

Need to add unit tests for this type of thing in general: Tracking
at #951.

Close #942.
Merge branch 'develop' into 942-verticalBar-zero
Apply fix to StackedBar and ClusteredBar.
Fixing stackedArea quicktest
Moved stacked_area accordinly.  rangeBand -> rangeType
Merge pull request #952 from palantir/942-verticalBar-zero

Plot.VerticalBar no longer forcibly includes zero in its x domain.
Merge pull request #954 from palantir/fixStackedAreaQuickTest

Fixing stackedArea quicktest
Release version 0.27.1
Merge pull request #956 from palantir/release-0.27.1

Release 0.27.1 (--> master)