Small updates

Fix deprecations

Axis text angle

- Fixes issues with axis tick text alignment
- Also rename axisTextAngle to axisLabelAngle to be clearer
- Fixes issue #63

LabelAngle

Merge pull request #59 from burner/master

update dependencies

Import bug fix

Fix legend tags

Merge pull request #51 from IgorStepanov/fix_test_aa

FIX: order of AA elems is not determined

Merge pull request #50 from Sandman83/Ticket49

Ticket 49

Merge pull request #40 from wilzbach/fix-deprecations

Fix deprecations