BUG: fix issue of boolean comparison on empty DataFrames (GH5808)
Merge pull request #5810 from jreback/bool_ops

BUG: fix issue of boolean comparison on empty DataFrames (GH5808)
ENH: Refactor code to add is_view method for Series.
DOC: Add is_view to release notes
Merge pull request #5853 from jseabold/add-is-view-series

ENH: Refactor code to add is_view method for Series.
DOC: release notes
DOC: release notes
Revert "DOC: release notes"

This reverts commit 8788aff6d8b6e50c2b1252da36dfe9f4d24e3168.
Revert "DOC: release notes"

This reverts commit 2a8cd09acbe78e5b325f14082de2b0b496af2747.
Revert "Merge pull request #5853 from jseabold/add-is-view-series"

Following discussion in GH5853, reverting the change to revisit
in 0.14.

This reverts commit 91d6f1bb98a439687a31880cfcc8431d12d077c6, reversing
changes made to ee92c756f06b31efbf636185e8c2b4a5e607e808.