VIS: added ability to plot DataFrames and Series with errorbars
BUG: Bug in compat with np.compress, surfaced in (GH6658)
Merge pull request #6659 from jreback/compress

BUG: Bug in compat with np.compress, surfaced in (GH6658)
Merge pull request #5638 from gibbonorbiter/master

VIS: added ability to plot DataFrames and Series with errorbars